Cheesy Bacon Quiche

1/2 lb. bacon-cooked and crumbled
1 lg. onion-chopped and sauted
salt
pepper
1 c. milk
2 eggs
1 T. flour
2 c. shredded cheese
1 unbaked pie shell

Beat eggs with salt and pepper. Add flour and milk and beat well. Saute onions in bacon grease. Add onions,bacon and cheese to milk. Combine everything together. Pour into unbaked pie shell. Cook 10 minutes at 450 degrees. Lower temperature to 350 and cook 20 minutes more.