Instructions

  1. In a skillet, cook beef, onion, and green pepper until beef is browned and veggies are tender; drain.
  2. Add the next 8 ingredients and bring to a boil. Reduce heat; cover and simmer for 10 minutes.
  3. Combine the cheeses.
  4. In a 5-quart slow cooker, layer about 3/4 cup of beef mixture, one tortilla and about 1/3 cup of cheese; repeat layers.
  5. Cover and cook on low for 5 to 7 hours or until heated through.