Sloppy Joe Casserole

Ingredients (14)

• + 1 pound ground beef add to pantry
• + 1 small onion, chopped add to pantry
• ✓ 1 green bell pepper, chopped
• + 1 red bell pepper, chopped add to pantry
• ✓ 1 clove garlic, chopped
• + 1 (14.5 ounce) can petite diced tomatoes add to pantry
• + 1 cup ketchup add to pantry
• + 1 tablespoon brown sugar add to pantry
• + 1 teaspoon yellow mustard add to pantry
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + 2 cups frozen whole-kernel corn add to pantry
• ✓ 1 (16 ounce) package penne pasta
• + 1 ½ cups shredded Colby-Jack cheese add to pantry