1 1/2 c. uncooked macaroni
3/4 c. diced celery
1/4 c. sliced green onions
3 radishes, sliced
1/2 c. mayonnaise
1 tbsp. vinegar
1 tsp. prepared mustard
1/2 tsp. celery seed
2 (4 1/2 oz.) cans shrimp, drained and rinsed
Salt and pepper to taste

Cook, drain and cool macaroni. Mix with remaining ingredients. Chill until ready to serve.