✓ Preheat oven to 350°F and line baking sheets with parchment paper

✓ Beat butter and sugar until light and fluffy

✓ Add egg and vanilla and mix until incorporated

✓ Whisk flour, baking powder, and salt together

✓ Gradually combine dry ingredients with wet mixture to form dough

✓ Chill dough for at least 30 minutes

✓ Roll dough to ¼ inch thickness and cut heart shapes

✓ Place hearts on sheets and press sprinkles onto tops

✓ Bake for 10–12 minutes until edges are lightly golden

✓ Cool on sheets briefly then transfer to wire rack

✓ Optionally drizzle melted white chocolate and add extra sprinkles

✓ Arrange on a platter and serve or store in an airtight container