Broccoli Cheddar Soup Casserole Who doesn’t love a warm creamy bowl of broccoli cheddar soup??!! We know we do, and we’re making everyone’s favorite cozy soup into a side dish casserole for the holidays. Yes it’s that time of year again, where the side dishes shine and this one will definitely take front center stage at your holiday table. 1 large or two small heads broccoli about 4 cups 1 can cream of chicken or mushroom soup 1 c mayonnaise 1/2 stick butter melted 2 eggs beaten Salt, pepper and