Preheat oven: 350F.
Cook vegetables until tender. Mix in onion, celery, cheese, soup and mayonnaise. Mix with vegetables; season to taste. Melt margarine and add crumbled Ritz crackers. Put vegetable mixture into 9 x l2 inch flat casserole dish and top with crumbled Ritz crackers. Bake.
Casseroles - Quiches
Cajun Country -- New Iberia, Louisiana