Butter a baking sheet. Turn the dough on to a lightly floured

Instructions

1. 1

   sheet and with your knuckles, flatten the center slightly to form

2. 2

   a 1 inch//2.5 cm border around the edge to contain the butter and

3. 3

   sugar topping. Dot the top with butter. Mix the lemon zest with

4. 4

   the sugar and sprinkle it on the dough. Leave the galette in a

5. 5

   warm place to rise until light, 15−20 minutes. Heat the oven to