Chilin' Out Pasta Salad

2 1/2 C medium shell pasta
1 C (8 oz) plain nonfat yougurt
2 Tbsp spicy brown mustard
2 Tbsp salt free herb seasoning
1 1/2 C celery, chippped
1 C green onion, slided
1 lb small shrimp, cooked
3 C (about 3 large) tomatoes, coarsely chopped

1. Cook pasta according to directions - but do not add salt to water. Drain and cool
2. In large bowl, stir together yogure, mustard, and herb seasoning.
3. Add pasta, celery, and green onion, and mix well. Chill for at least 2 hours.
4. Just before serving, carefully stir in shrimp and tomatoes.

Servings: 12
Nutrition Information Per Serving:
Serving Size: 1/2 cup