Stuffed Summer Squash
["6 yellow squash", "1 onion, chopped", "6 Tbsp. cracker crumbs", "1/3 c. Cheddar cheese, grated", "1 tsp. salt", "1/4 tsp. pepper", "1 tsp. sugar", "1/4 c. mayonnaise", "1 egg, beaten", "1 Tbsp. oleo"]
["Simmer squash in salted water until tender.", "Slice in half lengthwise and scoop out inside, leaving shells intact.", "Drain and mash squash meat with remaining ingredients and stuff into shells. Sprinkle with additional cheese.", "Bake at 350\u00b0 for 30 minutes."]
["yellow squash", "onion", "cracker crumbs", "Cheddar cheese", "salt", "pepper", "sugar", "mayonnaise", "egg", "oleo"]