9x13 inch pan of skinned chicken
2 cans cream of chicken soup
1 c. sour cream or yogurt

Mix together soup and yogurt. Pour mixture over chicken. Sprinkle with jar of mushrooms. Sprinkle with package of Ritz crackers crumbled on top. Melt stick of butter and pour on top. Sprinkle with poppy seeds. Bake at 350 degrees for 1 1/2 hours.