Heat tostada shells as directed on package. Heat beans over medium heat until hot. ... powder, oregano, salt, cumin, and tomato sauce until ... mixture. Top with cheese, lettuce, tomato, avocado and ... taco sauce. Serves 6.
Combine ground beef, refried beans, oregano, cumin. Mix well. Stuff "uncooked" ... casserole. Top with cheese. Microwave uncovered on high 2-3 minutes until cheese melts.