MOSTAZA (Cozinha PIZZA - FAST FOOD) Contato Av. Hipolito Yrigoyen 3916, BUENOS AIRES, ARGENTINA http://mostazaweb.com.ar 541111111111 Facilidades E-Menu Nos avalie Compartilhar no Mustard Burgers Seriously! We are the number one Argentine Fast-Food chain. Our specialties are Mega Burgers, Sandwiches, Desserts and Cafeteria.