1 lb. pasta (red and green preferable)
1 lb. cooked, cleaned shrimp (bay)
1/2 lb. steamed bay scallops
1 leek, trimmed, cleaned and chopped
2 c. mayonnaise
1/4 c. tomato paste
Salt and white pepper to taste
1 tsp. dry mustard
1/2 tsp. tarragon

Cook pasta to "al dente" stage. Drain; rinse and cool. Toss in the shrimp, scallops and leeks. Whisk together the remaining ingredients. Add to pasta-seafood mixture and combine thoroughly. Chill several hours.