Step 1

Preheat the oven to 350 degrees F. Line an 8x8 square baking pan with parchment paper and set aside.

Step 2

In a stand-up mixer with the paddle attachment, beat the butter, sugar, and lemon zest together until smooth and creamy. Add flour and mix until well incorporated.

Step 3

Press the dough into the prepared pan and bake for 20 minutes until light golden brown. Remove from the oven and let cool for at least 15 minutes.

Step 4

In a food processor combine tofu, lemon juice, zest, and granulated sugar and process until smooth and creamy, scraping down the sides as necessary.

Step 5

Add the powdered sugar, cornstarch, and vanilla extract and process again until combined.

Step 6

Pour into cooled crust and bake for another 25-30 minutes until the lemon curd has set.

Step 7

Let cool at room temperature for 20 minutes and then place in the refrigerator to cool all the way.

Step 8

Dust with powdered sugar or candied lemon slices just before serving.