Brown hamburger and onion. Add taco seasoning and refried beans. In a 9x13 pan ... on top. Combine enchilada sauce and gravy, pour over ... at the table (optional).
Pour a little of the enchilada sauce on the bottom of a 9"x13" buttered casserole. Break flour tortillas into ... the casserole. Spread beans over the tortillas. Then layer ... minutes or until hot.