1 c. peanut butter
1 1/4 c. sugar
1 tsp. vanilla
1/4 tsp. salt
6 tbsp. butter
3 eggs
1 c. flour
2 c. chocolate chips, divided

Preheat oven to 350 degrees. In large bowl, beat peanut butter and butter until smooth, about 1 minute. Add sugar, eggs and vanilla - beat until creamy. Blend in flour and salt. Stir in 1 cup chocolate chips and spread into ungreased 9 x 13 inch baking pan. Bake 25-30 minutes until edges begin to brown. Sprinkle rest of chocolate chips over cookie layer. Let stand for 5 minutes, then spread evenly over the top and cool. Cut in 1 1/2 inch bars.