FOR THE CRUST:
- ½ cup Butter, At Room Temperature
- ¼ cup Powdered Sugar
- 1 cup Flour
- ⅛ teaspoon Salt
FOR THE GRAPEFRUIT FILLING:
- 1 whole lemon, zested
- 1 cup Sugar
- 3 Tablespoons Freshly Squeezed Grapefruit Juice
- 3 Tablespoons Flour
- ½ teaspoon Baking Powder
- 2 whole Eggs
Preheat oven to 350ºF. Grease an 8×8″ pan thoroughly.
In the bowl of an electric mixer, beat together butter and powdered sugar on medium speed until light and fluffy.
In another bowl, whisk together flour and salt.
Turn the mixer down to low and slowly add the flour and salt to the butter mixture. Mix until well combined.
Press the dough into the prepared pan and bake for 10 minutes.
While the dough is baking, prepare the filling by simply mixing all of the ingredients together until well-combined.
Bake for 20 minutes, or until the edges of the filling are slightly golden brown.