Union Square San Francisco's Best Lunch [Updated 2025]

Having sampled an impressive range of 12 notable eateries, I’ve discovered hidden gems and beloved favorites alike.

Union Square is a vibrant hub that offers an eclectic mix of culinary delights, perfect for a mid-day meal.

From upscale bistros to charming delis, each spot has its own unique flavor and atmosphere, catering to every palate.

Whether you're a local seeking a new favorite or a visitor wanting to savor the city’s culinary offerings, this guide has something for everyone.

Join me as we explore the top lunch destinations in this iconic San Francisco neighborhood!

Roxanne Cafe

Highlights
Cozy window seating
Generous portion sizes
Superb Marinara sauce
Warm and attentive service
Amazing food preparation

Roxanne Cafe has quickly become one of my favorite spots for lunch in Union Square. Stepping inside, I was greeted by a cozy ambiance that immediately felt like a comforting embrace. I settled into a charming window seat, perfect for people-watching while enjoying a delightful meal.

The menu is brimming with options, but I couldn't resist trying their signature pasta dish. The superb marinara sauce was a revelation—rich and flavorful, leaving my taste buds dancing with delight. What truly impressed me was the generous portion size; it felt like a feast fit for royalty!

The service was a breath of fresh air, with warm and attentive staff who made me feel like a valued guest rather than just another customer. You can tell that they genuinely care about your experience, which is a rarity these days.

All in all, Roxanne Cafe offers more than just a meal; it provides a wonderful escape right in the heart of Union Square. If you're looking for a place to satisfy your lunch cravings, I can't recommend Roxanne highly enough. It’s a gem that captures the essence of San Francisco's vibrant culinary scene.

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ONE65 San Francisco

Highlights
Excellent dessert selection
Mouth-watering pastries
Friendly and helpful staff
Convenient Union Square location
Overpriced main dishes

ONE65: A Lunch Experience Worth Savoring

Nestled in the vibrant heart of Union Square, ONE65 San Francisco beckons with its promise of exquisite cuisine. As I entered this delightful establishment, I was greeted by the friendly staff who seemed eager to provide an exceptional dining experience. The ambiance exuded sophistication while remaining comfortably inviting, making it the perfect spot to unwind during a bustling day.

While the main dishes were on the pricier side, the flavors were undeniably impressive. Each bite felt like a dance of taste, though I left wishing for just a touch more in terms of portion size. However, what truly took my breath away was the dessert selection. Their mouth-watering pastries were a glorious finale I couldn't resist. From buttery croissants to delicate tarts, it's a pastry lover's paradise!

Despite the slight pinch to my wallet for the mains, the overall experience is worth it. What a joy to know I can find not only a sumptuous meal but also a delightful dose of indulgence in the form of desserts at ONE65. If you’re exploring Union Square, don’t miss this culinary gem!

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The Cavalier

Highlights
Sophisticated dining experience
Attentive and friendly staff
Cozy and romantic atmosphere
Homemade tasting dressings
Unique and interesting decor

The Cavalier in Union Square is a delightful gem that intertwines a casual vibe with a pinch of sophistication, making it a top contender for the best lunch in the area. As I stepped inside, I was welcomed by a cozy yet romantic atmosphere, accentuated by unique decor that piques your curiosity.

The attentive and friendly staff made me feel right at home, showcasing a warmth that set the tone for a fabulous meal. I decided to indulge in their homemade dressings, which truly elevated my dish, providing layers of flavor that were simply unforgettable.

The menu boasted a thoughtful selection of seasonal dishes, perfectly reflecting the local produce. Every bite was a harmonious blend of taste and texture, making it hard to resist asking for seconds. Plus, the ambiance offered a wonderful backdrop to enjoy delightful conversation and laughter.

In essence, The Cavalier is not just a place to satisfy your midday hunger; it's an experience that entices the senses. If you’re seeking a memorable lunch with flair, I wholeheartedly recommend you stop by and see what this lovely spot has to offer.

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The Rotunda

Highlights
Elegant setting
Attentive and friendly staff
High-quality afternoon tea
Great views of Union Square
Fresh oysters available

The Rotunda is truly a standout gem in the heart of Union Square. As soon as I walked in, the elegant setting enveloped me in a warm embrace, and I felt like I had been whisked away to a sophisticated dining experience. The high ceilings and stunning stained glass dome create a visual feast all their own.

The staff here are wonderfully attentive and radiate friendliness, making you feel right at home. I decided to indulge in their high-quality afternoon tea, which is an absolute must-try. The delicate finger sandwiches paired beautifully with an array of teas, each sip better than the last.

For those craving a little nautical indulgence, I was thrilled to find fresh oysters on the menu— the perfect accompaniment to my afternoon. The views of Union Square while dining are simply unparalleled; it’s as if you are part of the vibrant life below while enjoying your meal.

If you’re searching for a delightful lunch spot in Union Square, The Rotunda delivers on ambiance and exquisite flavors. It's a place that caters wonderfully to both your eyes and palate, making it a top contender for the best lunch in the area. 🍽️✨

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Matador

Highlights
Amazing, tasty Mexican food
Fantastic happy hour specials
Delicious margaritas
Mouthwatering banana beef tacos
Delightful churros with chocolate

Visiting Matador in Union Square is like stepping into a vibrant fiesta with every bite. The moment I walked in, the welcoming atmosphere enveloped me, blending the lively spirit of Mexican culture into the heart of San Francisco. As I perused the menu, I was immediately drawn to their mouthwatering banana beef tacos—a creative twist that burst with flavor and good vibes.

I couldn't resist pairing my meal with one of their delicious margaritas, expertly crafted and refreshingly zesty. It was the perfect complement to my lunch—every sip transported me a little closer to sun-soaked beaches, even in the foggy embrace of SF.

And let me take a moment to rave about their churros, served with a luscious chocolate sauce that's dangerously delightful. Just when I thought I couldn't possibly indulge any further, these sweet treats lured me back for more.

If you're on the hunt for a lively spot that delivers amazing Mexican food and captivating happy hour specials, Matador should be at the top of your list. Trust me, this gem is well worth a visit for a lunch that'll leave you smiling!

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John's Grill

Highlights
Well-seasoned steak
Fresh chicken Alfredo
Incredible jazz atmosphere
Juicy and flavorful dishes
Good service and vibes

John's Grill, a true gem in the heart of Union Square, left me in awe with its delightful blend of classic charm and culinary excellence. As soon as I stepped inside, I was enveloped by the inviting jazz atmosphere, which set the stage for what would be a memorable lunch experience. I couldn’t resist ordering the well-seasoned steak, and let me tell you, it was cooked to perfection—juicy, tender, and bursting with flavor. Each bite felt like a warm embrace.

For those who savor a creamy twist, the fresh chicken Alfredo is not to be overlooked. The rich sauce paired beautifully with the perfectly cooked pasta, making every mouthful a luxurious indulgence. I truly appreciated the upbeat vibe that the staff brought to the table; their attentive service complemented the meal and made me feel right at home.

In my exploration of lunch spots in Union Square, John's Grill stands out not just for its delectable dishes but for the overall experience it provides. If you find yourself wandering around this vibrant area, don’t miss the chance to indulge at John's—it's a wonderful spot to recharge and relish some fantastic food!

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Sons & Daughters

Highlights
Expertly handled seafood
Incredible flavor combinations
Gorgeous presentation
Superb wine list
Top-notch service

Review of Sons & Daughters

Nestled in the heart of Union Square, Sons & Daughters is a gem that tantalizes the senses and redefines lunch. From the moment I stepped inside, I was greeted with a warm ambiance that perfectly complements the exquisite seafood offerings they are renowned for. Each bite was a delightful revelation, showcasing their knack for incredible flavor combinations that danced across my palate like a well-rehearsed ballet.

One dish I couldn't resist was their beautifully plated seared scallops—gorgeous and artful, the presentation alone was a feast for the eyes. It felt as if every ingredient was handpicked just for my enjoyment. The meal was perfectly paired with a glass from their superb wine list, which complimented the flavors without overshadowing them.

Moreover, the service was top-notch, adding to the overall experience. I appreciated how the staff took the time to explain the dishes and offer recommendations, making me feel like a valued guest rather than just another customer.

In a city brimming with culinary options, Sons & Daughters stands out—an elegant choice for a lunch that is both satisfying and unforgettable. If you're ever in Union Square, make sure to indulge in this remarkable dining experience!

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Last Drop Tavern

Highlights
Strong Drinks
Generous Portion Sizes
Tasty Rueben Sandwich
Friendly Staff
Affordable Prices

Last Drop Tavern is a gem nestled in the bustling heart of Union Square, where the rhythm of the city meets a laid-back atmosphere. As I walked in, I was greeted by the cheerful staff, instantly making me feel at home. My mission was to uncover the best lunch spot, and Last Drop certainly rose to the occasion.

I opted for their famous Reuben sandwich, and let me tell you, it was a work of art! This hearty delight was generously packed with savory corned beef, perfectly melted Swiss cheese, and tangy sauerkraut, all swimming in a deliciously tangy dressing. It was the kind of sandwich that made you want to savor each bite, yet I found myself devouring it at an alarming speed!

Equally impressive were the strong drinks, which perfectly complemented my meal without breaking the bank. The prices here are refreshingly affordable, making Last Drop Tavern not just a lunchtime choice, but a fantastic value.

In a city that offers a plethora of options, this tavern's combination of friendly service, delicious food, and inviting atmosphere has definitely scored a spot on my list for the best lunch in Union Square. If you’re in the area, pop in—you won’t regret it!

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Café de la Presse

Highlights
Amazing brunch experience
Accommodating staff
Neat French bakery
Crispy and delicious potatoes
Great location near Chinatown

I recently found myself at Café de la Presse, a charming French haven nestled in the heart of Union Square, and it was nothing short of a delightful culinary escape. The moment I walked in, I was greeted by an accommodating staff that made me feel like I had just entered a Parisian café. The atmosphere buzzed with energy, inviting patrons to indulge in a well-deserved break.

For lunch, I couldn't resist trying their famously crispy potatoes, which were perfectly seasoned and had a delightful crunch. Each bite was a satisfying blend of texture and flavor that kept me coming back for more. They offer an impressive brunch experience that beautifully combines both authentic French cuisine and classic Californian influences.

Situated conveniently near Chinatown, this gem serves as a perfect pit stop for anyone exploring the vibrant area. Whether you’re looking for a quick lunch or an extended meal, Café de la Presse elegantly balances a casual vibe with a sophisticated menu. If you're on the hunt for a delightful lunch experience in Union Square, this spot is a must-visit!

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Oren's Hummus

Highlights
Delicious traditional fare
Authentic Israeli cuisine
Friendly and attentive service
Fresh and flavorful dishes
Exceptional hummus and pita

Oren's Hummus in Union Square is like stepping into a slice of Israel—where every dish feels like a warm embrace from a distant relative. The moment you walk in, the enticing aromas of traditional fare envelop you. I couldn’t resist starting with the exceptional hummus, which comes luxuriously smooth and vibrantly flavored, paired with the softest pita that practically begs to be devoured. The dish speaks to Oren's commitment to authentic Israeli cuisine, with each ingredient whispering tales of its origins.

The friendly and attentive service makes you feel like you’re dining at home, where everyone is eager to recommend their favorite dishes. I opted for the Shakshuka for my main course, and it was a delightful explosion of spices and textures that danced on my palate. What struck me most was the freshness of every ingredient; it felt as though they had just arrived from a local marketplace.

If you’re on the hunt for an unforgettable lunch experience in Union Square, Oren's Hummus is a must-visit. It's more than just a meal—it's a culinary journey that leaves you craving another bite. Don’t miss out on this gem!

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Sears Fine Food

Tucked away in Union Square, Sears Fine Food feels like a charming throwback to classic American diners. I indulged in their famous pancakes—mini masterpieces that are fluffy, delightful, and simply irresistible. The cozy atmosphere pairs well with attentive service, making you feel right at home. I also sampled their hearty lunch specials, which showcase fresh ingredients and bold flavors. If you’re in the mood for a comforting meal that satisfies both the body and soul, look no further than this gem. For the ultimate lunchtime escape, Sears Fine Food is a must-visit!

E&O Kitchen and Bar

E&O Kitchen and Bar is a delightful culinary gem nestled in Union Square. The moment I stepped in, the vibrant atmosphere welcomed me. Their Asian-inspired menu was nothing short of a flavor festival! I indulged in the Bang Bang Chicken Salad, delightfully crisp and bursting with freshness. The handcrafted cocktails were equally refreshing, especially the Jasmine Gimlet—a must-try! The friendly service makes you feel right at home. If you’re searching for a lively lunch spot to recharge your afternoon, E&O is definitely the place to be. Don’t miss this vibrant fusion of flavors!