Peanunt Butter Cake Bars

WARNING: THESE ARE ADDICTING

Lisa, my sister-in-law made these when we visted her on Thursday. I'm not usually a big fan of bar cookies, but these changed my mind. They were so good. Lisa's an amazing cook and always has yummy new things for us to try.

2/3 C. butter, softened

2/3 C. peanut butter

1 C. sugar

1 C. packed brown sugar

4 eggs

2 teaspoons vanilla

2 C. flour

2 teaspoons baking powder

1/2 teaspoon salt

1 package milk chocolate chips

In a large bowl, cream the butter, peanut butter, sugar and brown sugar. Add eggs, one at a time beating well after each addition. Beat in vanilla. Combine the flour, baking powder and salt; gradually add to creamed mixture. Stir in chocolate chips. Spread into a greased 13X9 pan. Bake at 350 for 30 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack. Cut into bars. Yield: 2 dozen.