Diner Garbage Pasta | Mama's Cooking

Ingredients

• 1 yellow onion, finely diced
• 1 tablespoon olive oil
• 1/2 pound ground beef
• 2 tablespoons all-purpose flour
• 1 (8-ounce) can tomato sauce
• 2 cups beef broth
• 1/2 pound small shell pasta
• 4 ounces cheddar cheese, shredded
• 2 tablespoons hot dog relish
• 2 green onions, optional, sliced