2 1/2 lb. shrimp, shelled, cooked in boiling salt water just until they turn pink
1/2 c. chopped parsley
1/2 c. shallots
1/2 c. tarragon vinegar
1/2 c. red wine vinegar
1/2 c. olive oil
4 tbsp. Dijon mustard
2 tsp. crushed red pepper
Freshly ground black pepper to taste

Drain shrimp and transfer to large bowl. Mix remaining ingredients and pour over warm shrimp mixing well to coat. Cover and refrigerate.