1/2 lb. med. shell macaroni, uncooked
1 (10 oz.) pkg. frozen cooked shrimp, thawed and drained
1 1/2 c. chopped celery
1 sm. cucumber, quartered and sliced
2/3 c. mayonnaise
1/3 c. sour cream
2 tbsp. horseradish sauce
1 tbsp. grated onion
1 tsp. seasoned salt
1 tsp. pepper

Prepare shell macaroni according to package. Drain. In a large bowl, combine shells, shrimp, celery, and cucumber. In small bowl, blend mayonnaise, sour cream, horseradish sauce, onion, salt, and pepper. Add to shells mixture; toss to coat. Cover; chill thoroughly. Toss gently before serving. Serves 4 to 6.