1 1/2 c. powdered sugar
1/4 c. milk
1/4 tsp. salt
1/2 c. butter
1 (12 oz.) pkg. chocolate chips
3/4 c. chunky peanut butter
1/2 tsp. vanilla extract

Cut a piece of foil big enough to fit inside and up over the edges of an 8"x8"x2" baking dish or pan. Place foil in pan and press against bottom, sides and corners to fit pan. Stir in a large microwave bowl the powdered sugar, milk and salt. Add the butter. Microwave, uncovered for 1 minute on high. Stir. Microwave at high for 1 1/2 minutes. Stir. Microwave 1 1/2 minutes longer or until bubbling. Quickly add chocolate chips, peanut butter and vanilla. Stir until blended. Spoon into foiled pan and press into an even layer. Refrigerate at least 2 hours. Peel off foil. Cut into small squares.