Zucchini Cheese Casserole
["4 medium zucchini, cut lengthwise into 1/2-inch strips", "4 oz. Muenster cheese, shredded", "1/2 c. plain yogurt", "1 tsp. minced onion", "1 tsp. Dijon mustard"]
["Bring 1 inch of water to boil; add zucchini.", "Salt.", "Cover and cook until tender.", "Drain zucchini; put in greased casserole dish. Mix remaining ingredients and spread over zucchini.", "Broil until cheese melts and begins to brown."]
["zucchini", "Muenster cheese", "plain yogurt", "onion", "mustard"]