Heat oven to 400 degrees F.
In large saucepan, brown ground beef with onion and bell pepper; drain. Stir in 6 slices crumbled bacon and pizza sauce. Spoon into ungreased 13 x 9-inch baking dish. Sprinkle evenly with tomatoes; top with cheese slices.
In medium bowl, beat eggs slightly. Add milk and oil; mix well. Lightly spoon flour into measuring cup; level off. Add flour and salt; beat 2 minutes at medium speed. Pour evenly over cheese slices. Sprinkle with crumbled bacon.
Bake at 400 degrees F for 20 to 30 minutes or until topping is slightly puffed and deep golden brown.