1 (8 1/2 oz.) pkg. corn muffin mix
1/3 c. milk
1 lb. ground beef
1 lg. tomato, chopped
1 (1 lb.) can refried beans
1 egg
1 1/2 c. shredded sharp cheddar cheese
1 1/4 oz. taco seasoning mix
Shredded lettuce
Sour cream or yogurt for garnish

Preheat oven to 400 degrees. Prepare muffin mix with egg and milk, according to package directions. Stir in 1/2 cup shredded cheese. Spread evenly in a well greased 9 inch pie plate. Bake 15-20 minutes. Meanwhile, brown ground beef and add taco seasoning mix and water, according to directions. Chop tomatoes and shred lettuce. When cornbread crust is done, spread evenly with refried beans and broil until heated through. Layer taco meat, remaining cheese, lettuce, and tomatoes over beans. Garnish with a ring of sour cream or yogurt. Cut in wedges to serve.