Burger & Mayo Lab
American, Burgers in Condado




Address: 1302 Ashford Ave, San Juan PR 00907
Phone: +1 787-946-0115
Hours: Monday: 2:00 PM - 9:00 PM; Tuesday: Not published; Wednesday: 12:00 PM - 10:00 PM; Thursday: 12:00 PM - 10:00 PM; Friday: 12:00 PM - 10:00 PM; Saturday: 12:00 PM - 10:00 PM; Sunday: 12:00 PM - 10:00 PM
Menu prices: $2.50–$45 · $ · Median main: $12.95 · 49/49 with a published price
American, Burgers
Aperitivos / Starters
Onion Rings — $11.95Our famous onion rings are breaded in a fritter of cod fish and served with Mayo Aioli.
Sliders — $10.95Mini burgers served with American cheese and bacon. Does not include side.
Tacos de Pescado / Fish — $11.95Served with cabbage and shredded cheese. Fish.
Tacos de Pollo / Chicken — $10.95Served with cabbage and shredded cheese. Chicken.
Chicken Fingers — $9.95Breaded chicken breast chopped, served with French fries.
Mayo Juicy Fries — $10.95French fries served with cheese, pico de gallo and two of our sauces.
Juicy Nachos — $10.95Nachos served with cheese, pico de gallo and two of our sauces.
Mac & Cheese — $11.95Truffle Mac & Cheese.
Mac & Cheese Fries — $15.95Classic French fries with our home-made Mac & Cheese.
Mac & Cheese Batatas — $16.95Sweet potato fries with Mac & Cheese.
Alitas — $13.007 wings served with fries.
Más Alitas — $15.0010 wings served with fries.
Quesadillas de Costilla — $14.95Rib quesadilla served with nachos.
BM Lab Combos
El Mezclaito Smash — $15.95Puerto Rican-style mezcla sandwich, provolone cheese, Spam jam, crispy fried onions, fresh potato wedges.
Cabrita Smash — $18.95Wagyu beef smash-style burger with goat cheese, bacon jam, crispy breaded onions, spicy honey, house sauce E=mc2, truffled fries.
Smash Bacon Jam — $15.95Smash burger with American cheese, crunchy onions and home-made bacon jam, served with fries.
Pepperoni Melao' — $15.95Burger with pomodoro sauce, pepperoni honey, mozzarella and muenster cheese with brioche bread.
Bacon Dip Burger — $16.95Burger with American cheese, Swiss cheese, bacon and five-cheese sauce on the side. Includes fries.
Smash Burger — $15.95Burger in croissant bread with American cheese, grilled onion and special sauce with pickles, onions & vinegar.
Dulce y Salao' — $14.95Burger with sweet plantain, bacon and blue cheese, served with fries.
Olé Burger — $16.95Burger with manchego cheese, chorizo & mushrooms, served with truffle fries & parmesan.
Chicken Lab — $16.95Breaded or grilled chicken breast burger with coleslaw, honey, pickles and fried onions, served with fries.
Create Your Own Burger
Meat Burger 8oz — $15.008oz burger. Toppings included: lettuce, tomato, pickle.
Vegetariano — $13.95House-made grain-based patty. Toppings included: lettuce, tomato, pickle.
Acompañantes / Sides
Papas Fritas — $3.75
Papas Wedge — $4.00
Papas Aioli — $4.75
Papas con Queso — $5.50
Onion Rings (side) (Acompañantes / Sides) — $5.50
Batatitas — $3.50
Nachos — $3.75
Papas con queso y bacon — $6.50
Papas trufadas con parmesano — $5.50
Batatas queso y bacon — $6.50
Queso de nachos — $2.50
Bebidas / Cocktails
La Fórmula — $15.95House drink with fruit rums and fresh lemon juice.
Big Fórmula — $30.00
La Solución — $15.00House drink with fruit rums and wildberry juice.
Big Solución — $30.00- Big Kids Formula — $18.00
Large Margarita Volcano — $45.0040oz mango & passion fruit margarita.
Espresso Martini — $13.95
El Problema — $12.95Tropical cocktail with Chambord and cucumber vodka.
Heisenberg — $14.95Aromatic cocktail with St. Germain and gin.
Postres y Batidas / Desserts & Shakes
Tarta Vasca de Manchego — $9.00Manchego Basque burnt cheesecake.
Batida de Oreo — $10.95
Batida de Nutella — $10.95
Batida de Vainilla — $10.95
Batida de Chips Ahoy — $10.95