Heat oven to 400. Spray 9 inch glass pie plate with cooking spray. In a 10 inch skillet, cook bacon over med-high heat 5-7 minutes, until crisp; drain on paper towels. Crumble bacon, set aside.
In the same skillet, cook beef, pepper and onion over med-high heat 5-7 minutes, stirring occasionally, until beef is thoroughly cooked, drain. Stir in ketchup. Spread in pie plate, sprinkle with cheese and bacon.
In medium bowl, stir remaining ingredients with a wire whisk until blended. Pour into pie plate.
Bake 20-25 minutes or until knife inserted in center comes out clean. Serve with additional ketchup if desired.