Burger & Mayo Lab
Smash Burgers & House Mayo Lab on Calle Loíza




Dirección: 2016 Calle Loíza Local A, San Juan, PR 00912
Teléfono: +1 787-946-0115
Horario: Mon 14:00–21:00, Wed–Sun 12:00–22:00 (closed Tue)
Precios del menú: $1.50–$18.95 · $ · Principal mediano: $13.95 · 37/37 con precio publicado
Burger lab on Calle Loíza serving smash burgers, cod-battered onion rings, truffle mac & cheese, and house mayo sauces — plus La Fórmula house cocktails, milkshakes, and a doggy menu.
Aperitivos
- Onion Rings — $11.95From Aperitivos. Famous onion rings breaded in a cod-fish fritter batter, served with Mayo Aioli.
- Sliders — $10.95
- Tacos de Pescado / Fish — $11.95
- Tacos de Pollo / Chicken — $10.95
- Chicken Fingers — $9.95
- Mayo Juicy Fries — $10.95
- Juicy Nachos — $10.95
- Mac & Cheese — $11.95
- Mac & Cheese Fries — $15.95
- Mac & Cheese Batatas — $16.95
- Alitas — $13.00
- Más Alitas — $15.00
- Quesadillas de Costilla — $14.95
BM Lab Combos
- Mayo Lab Sauces — $1.50From BM Lab Combos. House mayo sauces served individually: Mayo Lab, Mayo Ketchup, Mayo Aioli, Mayo Tártara.
- El Mezclaito Smash — $15.95From BM Lab Combos. Mezcla sandwich with provolone, Spam jam, crispy fried onions and fresh potato wedges.
- Cabrita Smash — $18.95From BM Lab Combos. Wagyu smash burger with local goat cheese, bacon jam, crispy onions and spicy honey, with truffled fries.
- Smash Bacon Jam — $15.95From BM Lab Combos. Smash burger with American cheese, crunchy onions and house bacon jam, served with fries.
- Pepperoni Melao' — $15.95From BM Lab Combos. Burger in pomodoro sauce with pepperoni honey, mozzarella and muenster on brioche.
- Bacon Dip Burger — $16.95From BM Lab Combos. Burger with American and Swiss cheese, bacon and five-cheese sauce on the side. Includes fries.
- Smash Burger — $15.95From BM Lab Combos. Burger on croissant bread with American cheese, grilled onion and special sauce with pickles.
- Dulce y Salao' — $14.95
- Olé Burger — $16.95From BM Lab Combos. Burger with manchego cheese, chorizo and mushrooms, served with truffle parmesan fries.
- Chicken Lab — $16.95From BM Lab Combos. Breaded or grilled chicken breast burger with coleslaw, honey, pickles and fried onions. Includes fries.
Create Your Own Burger
- Meat Burger 8oz — $15.00From Create Your Own Burger. 8oz meat burger with lettuce, tomato and pickle. Toppings included.
- Vegetariano — $13.95From Create Your Own Burger. House-made grain-based vegetarian burger with lettuce, tomato and pickle.
Acompañantes
- Papas Fritas — $3.75
- Papas Aioli — $4.75
- Papas con Queso — $5.50
- Papas trufadas con parmesano — $5.50
Bebidas
- La Fórmula — $15.95
- La Solución — $15.00
- Espresso Martini — $13.95
- El Problema — $12.95
- Heisenberg — $14.95
Postres y Batidas
- Tarta Vasca de Manchego — $9.00
- Batida de Oreo — $10.95
- Batida de Nutella — $10.95