01 -
Heat oven to 350°F. Line 8x8 pan with parchment.
02 -
Cream butter and sugar until light and fluffy.
03 -
Mix in vanilla extract.
04 -
Whisk flour, baking powder, and salt in separate bowl.
05 -
Gradually add dry ingredients to wet, mix until just combined.
06 -
Fold in chocolate chips and nuts if using.
07 -
Press into prepared pan. Bake 25-30 minutes until edges golden.
08 -
Cool completely before cutting into bars.