Famous Layered Tostado Bake

Layered Tostado Bake

1 pound ground beef
1 medium onion, chopped
1 envelope taco seasoning mix
8 oz can tomato sauce
16 oz can refried beans
4 oz can chopped green chiles
1/2 cup sliced ripe olives
1 cup Bisquick Original Baking Mix
1/2 cup cornmeal
1/4 cup milk
1 egg, beaten
2 tablespoons vegetable oil
1 cup sour cream
1 egg
2 cups shredded Cheddar cheese

Heat oven to 375 degrees. Grease rectangular baking dish, 12 x 7
1/2 x 2-inches. Cook and stir ground beef and onion in 10-inch
skillet until beef is brown; drain.

Stir in seasoning mix, tomato sauce, beans, chiles, and olives. Mix Bisquick, cornmeal, milk, beaten egg, and oil until moistened; beat vigorously 30 seconds.

Spread in prepared baking dish. Spoon beef mixture over dough. Mix
remaining ingredients; spoon over beef mixture. Bake uncovered 30
minutes. Let stand 10 minutes before cutting.