Old Fashioned Meatloaf

Ingredients

• 1 pound ground beef
• 1 1/4 teaspoons salt
• 1/4 teaspoon ground black pepper
• 1/2 cup chopped onion
• 1/2 cup chopped bell pepper
• 1 egg, lightly beaten
• 8 ounces canned diced tomatoes with juice
• 1/2 cup quick-cooking oats
• Topping
• 1/3 cup ketchup
• 2 tablespoons brown sugar
• 1 tablespoon prepared mustard