Supermercado Casa Blanca in Joliet is a highly recommended spot for authentic Mexican food and grocery shopping. Customers praise the restaurant for its delicious steak tacos, tampiquena tacos, and milanesa tortas, all with great flavor and quality. The rice, refried beans, and carnitas are also favorites, with some noting the meat is especially good. The salsa is described as amazing, and the serving sizes and prices are considered fair. Besides the restaurant, the supermarket offers a variety of produce, including avocados, queso fresco, tamales, taquitos, and other ingredients to make meals shine. Employees are friendly and helpful, making the experience even better. Many customers find this place to be their go-to for authentic Mexican food in Joliet, especially compared to other local options. Overall, Supermercado Casa Blanca is a hidden gem with great food, good prices, and a welcoming atmosphere.