In a food processor or large bowl, combine flour, sugar, baking powder, and salt.

Mix to combine.

Add butter and pulse with processor or cut using a pastry cutter until small pea size clumps form.

Slowly add in egg and pulse or mix with spoon to combine.

Add cream and vanilla and combine.

Preheat oven to 350 degrees. Line 2 cookie sheets with parchment paper.

On a lightly floured surface, roll out scone dough in a rectangle and ¾ inch thick.

Cut into squares then slice squares in half diagonally to form triangles.

Place triangles 2 inches apart on cookie sheets and bake for 20 minutes.

Cool completely before dipping in glaze.

To make the glaze, mix powdered sugar, milk and vanilla with a fork.

Dip cooled scones into glaze or pour glaze over scones with a spoon.