Step 1: Preheat your oven to 350°F (175°C).
Step 2: In a mixing bowl, combine the softened butter and sugar and beat until light and fluffy.
Step 3: Add the egg and almond extract, mixing until smooth.
Step 4: Whisk together the baking powder, salt, and flour in a separate bowl, then add to the wet ingredients.
Step 5: Portion out the dough onto a lined baking sheet, leaving space between cookies.
Step 6: Brush each cookie with the egg wash for a shiny finish.
Step 7: Sprinkle the sliced almonds on top of each cookie.
Step 8: Bake for 12-15 minutes until the edges are lightly golden.
Step 9: Cool on the baking sheet for a few minutes before transferring to a wire rack.
