Recipe(tried): Peanut Butter Brownie-Swirl Bars - Great/Easy!

PEANUT BUTTER BROWNIE-SWIRL BARS

1/2 cup peanut butter
1/3 cup margarine, softened
3/4 cup brown sugar, packed
3/4 cup granulated white sugar
2 eggs
2 tsp vanilla
1 cup flour
1 tsp baking powder
1/4 tsp salt
chocolate chips (for topping)

Preheat oven to 350 degrees F. Lightly grease a 13x9-inch baking pan.

Mix together peanut butter, margarine, sugars, eggs, and vanilla until smooth. Add the flour, baking powder, and salt and stir together until just combined. Spread in prepared pan, like you would brownies. Sprinkle chocolate chips over the top.

Bake at 350 degrees F for 5 minutes, then take knife and swirl chocolate. Continue baking for another 25-30 minutes or until slightly brown on top. Do not over bake.

Enjoy!