a medium bowl, stir together the condensed cream of chicken soup and sour cream until smooth, then spread the mixture evenly over the chicken.

Creamy soup and sour cream mixture spread over chicken
4. Sprinkle the crushed crackers all over the top, then drizzle the melted butter evenly across the cracker layer.

Cracker topping added over creamy chicken casserole
5. Bake uncovered for 35 to 45 minutes, until the chicken is cooked through and the topping is golden brown and crisp. The chicken should reach 165 degrees Fahrenheit