Step 1

Preheat the oven to 400°F (200°C).

Step 2

Combine flour, baking powder, salt, and sugar.

Step 3

Cut in the cold butter until the mixture resembles coarse crumbs.

Step 4

Add lemon zest.

Step 5

In a separate bowl, whisk lemon juice, heavy cream, and egg.

Step 6

Combine wet and dry ingredients until a dough forms.

Step 7

Shape into a circle, cut into wedges, and bake on a parchment-lined sheet for 15-20 minutes until golden brown.