Muddy Buddies

9 Cups Chex
1 Cup Semi Sweet Chocolate Chips
½ Cup Peanut Butter
¼ Cup Butter
1 tea Vanilla
1 ½ Cups Powdered Sugar
Pour Chex into large bowl, set aside. In medium microwave safe bowl melt butter, chocolate chips and peanut butter on high 1-1½ minutes or until smooth, stirring after 1 minute. Stir in vanilla. Pour chocolate over Chex, stir until coated. Pour into a large resealable bag with powdered sugar. Seal securely and shake until all pieces are coated. Spread on wax paper to cool.