Preheat oven to 350°F (175°C).

In a large skillet, brown ground beef over medium-high heat. Drain excess grease.

Add bacon to the skillet and cook until crispy. Drain excess grease.

Add chopped onion and bell pepper to the skillet and sauté until softened.

Drain any remaining grease from the skillet.

In a large casserole dish, combine the browned ground beef, bacon, onion, and bell pepper.

Add pork and beans, brown sugar, and catsup to the casserole dish.

Stir well to combine all ingredients.

Bake in the preheated oven for 45 minutes, or until bubbly and heated through.