In large pan over medium-high heat, add bacon and cook until browned and crispy. Using a slotted spoon, transfer bacon to a paper towel-lined plate. Remove all but 2 tablespoons-oil and add onion and bell pepper and cook until vegetables are softened, about 7 minutes.
Remove from heat. Add remaining ingredients. Stir until combined.
Bake covered at 350° until bubbly, 45 minutes-1 hour.