Cheesy Squash Casserole Recipe Type: Side Dish Cuisine: American Ingredients 4 cups yellow squash, chopped (2 medium squash) 1 onion, chopped 2 celery stalks, chopped 2 carrots, peeled & chopped 1 bell pepper, chopped 1 cup sour cream 1 can cream of chicken soup 1 can cream of celery soup 3 Tablespoons lemon thyme, fresh