• 1 lb pork sausage
• 3/4 cup chopped onion
• 3 cups Bisquick baking mix
• 1 1/2 cups water
• 1 jar (15 1/2 oz) thick spaghetti sauce
• 1 can (4 oz) mushroom stems and pieces, drained (if desired)
• 1 can (2 1/4 oz) sliced ripe olives, drained
• 1 green pepper, cut into thin rings
• 2 cups shredded cheddar cheese

Grease the inside of the Dutch Oven. Cook and stir sausage and onion in skillet until sausage is brown; drain. Mix baking mix and water until thoroughly moistened; spread batter in oven. Spread spaghetti sauce carefully over batter; top with sausage mixture and the remaining ingredients. Bake until crust is golden brown. Approximately 25-30 minutes.