Step 1

Preheat oven to 350° F. Lightly spray an 8x8 -inch pan with cooking spray.

Step 2

In large bowl, mix butter and 1/4 cup powdered sugar, together with electric mixer. Add in the flour and pinch of salt on low speed, just until well combined. Press in pan. Bake 22 to 25 minutes or until set and lightly browned.

Step 3

Meanwhile, in large bowl, whisk together eggs and sugar. Add in lime zest, lime juice, OJ and 1/2 tsp. salt . Whisk until smooth. Stir in tequila.

Step 4

Pour the lime mixture over partially baked crust. Bake 20-23 minutes longer or until center is set.

Step 5

Cool completely and then chill in fridge until ready to serve. Sprinkle with powdered sugar and a sprinkle of flakey sea salt and cut into bars. Store bars tightly covered in the fridge.