Beef And Macaroni Casserole

Ingredients

• 1 each pasta, elbow macaroni package, cooked, drained
• 2 tablespoons vegetable oil
• 1 1/2 pound beef ground, browned, drained
• 1 x salt to taste
• 1 x black pepper to taste
• 1 each onions chopped
• 2 each celery stalks, chopped
• 1 each tomato paste can
• 3/4 cups water
• 2 tablespoons sherry
• 1 each soup, tomato can
• 1 x cheddar cheese or parmesan cheese, grated
• 1 teaspoon oregano