Step 1

Line an 8 x 8 inch (or 9" square pan) with foil or parchment paper. Set aside.

Step 2

Preheat oven to 350 degrees F.

Step 3

In a large mixing bowl, cut together the cold butter, all-purpose flour, and powdered sugar. Mixture may be crumbly. Press into bottom of prepared baking dish.

Step 4

Bake crust in oven for about 15 minutes.

Step 5

While crust is baking, make the lemon filling. Combine granulated sugar, flour, baking powder, eggs, lemon juice, and lemon zest.

Step 6

Remove crust from oven and immediately pour mixture over the baked crust. Return baking pan to oven for an additional 20 minutes, or until edges are golden brown.

Step 7

Remove bars from oven. To make glaze, whisk together powdered sugar with lemon juice. Drizzle over warm bars. Cool completely then refrigerate for about 2 hours.

Step 8

When chilled, remove from pan by lifting the foil (or parchment) and cut into squares. Sprinkle with powdered sugar and enjoy!