Ingredients

• 1 tablespoon olive oil
• 1/2 cup onion, finely chopped
• 1/3 cup celery, finely chopped
• 2 lbs lean ground beef
• 1 cup rolled oats
• 1 teaspoon garlic, minced
• 1 tablespoon Worcestershire sauce
• 1/2 cup milk
• 2 teaspoons Mrs. Dash seasoning mix
• 1/2 teaspoon ground pepper
• 8 ounces no-salt-added tomato sauce
• 1/4 cup brown sugar
• 1 tablespoon yellow mustard
• 1 egg
• 1/3 cup carrot, finely chopped