Preheat the oven to 350?F (175?C) and line a baking sheet with parchment paper.

In a mixing bowl, whisk together the flour, baking powder, and salt.

In another bowl, beat the clotted cream and sugar until smooth. Add the egg and vanilla, mixing until well combined.

Gradually add the dry ingredients to the wet mixture, stirring until just combined.

Drop spoonfuls of the cookie dough onto the prepared baking sheet, spacing them about 2 inches apart.

Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden.

Remove from the oven and let cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely.