Delicious Marble Bars - cooking recipe

Ingredients

1/2 cup peanut butter
1/3 cup butter, softened
3/4 cup light brown sugar
3/4 cup sugar
2 eggs
2 teaspoons vanilla
1 cup flour
1 teaspoon baking powder
1/4 teaspoon salt
1 (12 ounce) package swirled chocolate chips or (10 ounce) pkge. milk chocolate chips

Preparation

In a large bowl, combine peanut butter, butter, light brown sugar and sugar; beat uintil creamy.
Add the eggs and vanilla.
Combine the dry ingredients and blend into the peanut butter mixture.
Spread into a greased 9 X 13 inch pan.
Sprinkle chocolate chips on top.
Bake for 5 minutes at 350 degrees, remove from oven and run a knife through to marbleize.
Return to oven for an additional 20-25 minutes.