Pre heat the oven to 350 degrees.

In a medium bowl whisk 1 cup almond flour, 1/3 cup sugar, 1/2 cup corn starch, and 1/2 tsp salt together until well combined. Add in 6 TBSP melted butter and 1 tsp lemon paste and stir with a spoon until a crust is formed. Press the dough into the bottom and up the sides of a 9" tart pan.

Chill the dough in the tart pan for 10 minutes in the freezer.

Place the tart pan on a rimmed baking sheet and bake the dough for 20 minutes, rotating the pan halfway through baking. Cool completely on a wire rack . Fill with your choice of curd, custard etc.

Do not remove the fluted ring of the tart pan until your filling has set completely.