Pull Apart Bacon Bread

1 lb bacon
3/4 cup chopped onion
3 (16 1/3 ounce) cans pillsbury buttermilk biscuits
1/2 cup shredded cheddar cheese
1 teaspoon vegetable oil
3/4 cup chopped green pepper
1/2 cup margarine
1 Cook bacon until crisp. Drain and crumble.
2 Place oil in skillet and sauté onions and peppers until tender.
3 Cut each biscuit into fourths and place in bowl. Mix in peppers, onions, bacon, cheese and margarine.
4 Put into 10 inch tube pan (sprayed).
5 Bake at 350°F for 30 minutes.
6 Remove from pan immediately.