2 cloves garlic, minced 1/2 cup onion, minced 2 tablespoons olive oil 1 pound ground beef 1 teaspoon salt 1/2 teaspoon black pepper 1 tablespoon prepared mustard 1 tablespoon vinegar 1 teaspoon Worcestershire sauce 1/2 teaspoon Tabasco 1/4 cup ketchup Read More …