Pull-Apart Veggie-Bacon Bread

3 large cans buttermilk biscuits
1/2 cup finely chopped bell pepper
1 cup finely chopped green onion
1 cup finely chopped chives
1/2 pound bacon, fried and crumbled
3/4 cup (1 1/2 sticks) butter
1/2 cup Parmesan cheese

Saut