Hidden Sloppy Joes

1 pound ground beef
1 medium onion, chopped
3 tablespoons ketchup
2 tablespoons prepared mustard
1 can condensed chicken gumbo soup
3 cups biscuit baking mix
2/3 cup milk
2 tablespoons butter or margarine, softened
2 eggs

Cook and stir beef and onion; drain. Stir in ketchup, mustard and soup. Heat to boiling, reduce heat; simmer 5 minutes.

Heat oven to 375 degrees F. Generously grease 12-cup Bundt cake pan.

Mix remaining ingredients; beat 30 seconds; spread 2 cups batter in bottom and 2 inches up side of pan. Spoon beef mixture onto center of batter. Drop remaining batter by teaspoonsful 1/2-inch apart onto beef mixture. Bake until light brown and firm, 25 minutes. Invert on heatproof serving plate.

Makes 6 servings.