MOSTAZA (Cuisine PIZZA - FAST FOOD) Contact Av. Libertador Gral. San Martin 1710, SAN JUAN, ARGENTINA http://mostazaweb.com.ar 542644869058 Amenities E-Menu Rate us Share on Mustard Burgers Seriously! We are the number one Argentine Fast-Food chain. Our specialties are Mega Burgers, Sandwiches, Desserts and Cafeteria.
