Ingredients

• 2 tablespoons olive oil
• 1 cup chopped onion
• 2 cloves garlic, minced
• 1/2 cup chopped green bell pepper
• 1 stalk celery, chopped
• 1/2 teaspoon dried oregano
• 1 pound ground beef
• 1/2 pound Italian sausage
• 1 (12 fluid ounce) can or bottle chili sauce
• 2 tablespoons red wine vinegar
• 1 tablespoon Worcestershire sauce
• 2 teaspoons brown sugar
• salt and pepper to taste