Some of us WLS people don't tolerate pasta all that well. I know it doesn't set too good with me. Most of the time I just pick out the pasta and eat the rest of the dish.
Eggplant is a good substuite for pasta in some recipes.

One cup of Eggplant

Grams Calories %-Cals
Calories 35
Fat 0.2 2 5 %
Saturated 0.0 0 1 %
Polyunsaturated 0.1 1 2 %
Monounsaturated 0.0 0 0 %
Carbohydrate 8.6 31 89 %
Dietary Fiber 2.5
Protein 0.8 2 6 %
Alcohol 0.0 0 0 %