1Heat oven to 400ºF. Grease 9-inch pie plate. Layer corn, onions and beans in pie plate. Sprinkle with cheese.
2Stir Bisquick mix, milk, 1/2 cup salsa and the eggs until blended. Pour into pie plate.
3Bake 35 to 40 minutes or until knife inserted in center comes out clean. Cool 5 minutes. Serve with salsa.