9 c. Rice Chex
1 c. semi-sweet chocolate chips
1 c. peanut butter
1/4 c. butter
1/4 tsp. vanilla
1 1/2 c. powdered sugar

Melt chocolate chips, peanut butter, and butter; add vanilla. Pour over Chex and mix to coat. Pour into bag with powdered sugar and shake to coat. Place on wax paper to cool. Store in airtight container.