Created by MeganMuffins on April 25, 2012
Step 1: Preheat oven to 350.
Step 2: Line a cookie sheet or jelly roll pan (15"x10"x"1) with aluminum foil, and spray lightly with cooking spray for easy removal once the bars are baked.
Step 3: Cream the butter, cream cheese and sugar together. Add in egg and vanilla and mix until incorporated. Add in your dry ingredients and baking soda, and mix until just combined.
Step 4: Press dough evenly into your prepared pan(the dough will be sticky).
Step 5: Bake for 20 minutes, until edges begin to brown. Remove from oven.
Step 6: Cool completely before topping with Butter Cream Frosting.