Debone your rotisserie chicken and set to the side. If you're making your own chicken: cook, shred and set to the side

In a bowl combine cream of chicken soup, shredded chicken, cheese,
sour cream, salt and pepper

Mix all ingredients together well

Transfer to a 9x13in casserole dish

Crush up to racks of Ritz crackers while still sealed in the sleeve

In a bowl Melt one stick salted butter

Pour Ritz crackers into melted butter and use a fork to toss them
around until coated well

Spread cracker mixture on top

Bake uncovered at 375 degrees F for 20-25 minutes or until bubbly and crackers are crispy