1 lb. spiral pasta
3/4 c. salad oil
1/2 c. wine vinegar
2-3 bunches gr. onions
2 tsp. oregano
2/3 c. grated Parmesan
2-3 lg. tomatoes, cut up
3/4 lb. cheddar cheese, cubed
1/3 lb. pepperoni cut in pcs.

Cook pasta and run under cold water. Drain & mix with remaining ingredients.