Sloppy Joe Casserole Is a Fantastic, Easy Supper - Skinny Daily Recipes

Ingredients

• 1 pound ground beef
• 1 small onion, chopped
• 1 green bell pepper, chopped
• 1 red bell pepper, chopped
• 1 clove garlic, chopped
• 1 (14.5 ounce) can petite diced tomatoes
• 1 cup ketchup
• 1 tablespoon brown sugar
• 1 teaspoon yellow mustard
• salt and ground black pepper to taste
• 2 cups frozen whole-kernel corn
• 1 (16 ounce) package penne pasta
• 1 1/2 cups shredded Colby-Jack cheese