Beef Tinga Tostadas are a Mexican recipe made from beef brisket with red sauce. It is commonly served in casseroles accompanied by poblano strips, chicharrón in green sauce, and mole or pipián. For this recipe, we use slow cooking, which makes the meat tender and very juicy. Prepare these delicious Beef Tinga Tostadas, the perfect homemade recipe to serve any day of the week. You can add avocado or guacamole to complement your tostadas.