Grease a 10-inch (25 cm) quiche pan or pie plate; sprinkle with bread crumbs. Combine the bacon, Cheddar cheese, onion, green pepper, corn, pepper, salt and cayenne. Sprinkle the mixture over the bread crumbs.
In a bowl, stir together the flour and baking powder. Cut in the shortening until in you have fine crumbs. Add the eggs and milk, then whisk just until smooth. Pour over the bacon mixture.
Bake in a 350°F (180°C) oven for 45 to 50 minutes or until knife inserted near center comes out clean.