1 cup creamy peanut butter 6 tablespoons (3/4 stick) butter or margarine, softened 1 1/4 cups sugar 3 eggs 1 teaspoon vanilla extract 1 cup all purpose flour 1/4 teaspoon salt 2 cups milk chocolate chips
Preheat oven to 350 degrees. In large mixer bowl, beat peanut butter and butter until smooth, about 1 minute. Add sugar, eggs and vanilla, and beat until creamy. Blend in flour and salt. Stir in 1 cup of the chocolate chips. Spread into ungreased 13x9 inch baking pan. Bake 25-30 minutes, or until edges begin to brown.
Immediately sprinkle remaining morsels over cookie layer. Let stand 5 minutes until morsels become shiny and soft. Spread the rest of the chocolate chips evenly over top. Cool completely. Makes 48 bars.