1 cup peanut butter
6 tablespoons butter, softened
3 eggs
1 teaspoon vanilla extract
1 cup flour
1/4 teaspoon salt
1 11-1/2 oz. package chocolate chips, divided

Preheat oven to 350. In large bowl, beat peanut butter and butter until smooth, about 1 minute. Add sugar, eggs and vanilla extract. Beat until creamy. Blend in flour and salt. Stir in 1 cup chocolate chips. Spread into ungreased 13 x 9 inch baking pan. Bake 25-30 minutes or until edges begin to brown. Immediately sprinkle remaining chocolate chips over cookie layer. Let stand 5 minutes until morsels become shiny and soft. Spread evenly over top. Cool completely. Cut into 1-1./2 inch bars. Makes 48 bars.