7 oz. (2 c. dry) Creamette macaroni
2 tbsp. salad oil
2 tbsp. white vinegar
1 med. minced onion
1/2 tsp. salt
1/4 tsp. pepper
10 oz. pkg. Kraft sharp cheddar cheese, diced
3/4 c. mayonnaise or salad dressing
1 c. diced celery
2 cans tuna (drain juice)

Cook Creamette macaroni according to package directions; drain. While still hot, add oil and vinegar; mix well. Add onion, salt, pepper and cheese. Toss to coat. Gently mix in remaining ingredients. Chill before serving.