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["Special equipment: heart-shaped cookie cutter, alphabet stencils, tweezers and a small brush", "Combine the flour, cocoa powder, baking powder, cinnamon and salt in a bowl.", "Whisk together and set aside.", "In the bowl of an electric mixer, cream the butter and brown sugar until fluffy.", "Add the vanilla and egg and beat until combined.", "Add the flour/cocoa mixture in 2 or 3 batches, mixing well after each addition.", "Place the dough into a large resealable plastic bag and flatten slightly with your hand.", "Seal the bag and refrigerate for 2 hours.", "To bake the cookies, preheat the oven to 350 degrees F. Line a baking sheet with parchment paper or a silicone baking mat.", "Dust a work surface with cocoa powder.", "Remove the dough from the bag and place on the cocoa powder-dusted surface for 5 to 10 minutes.", "Roll out to 1/4-inch thickness and cut with a heart cutter.", "You'll need to consolidate and re-roll the dough as you go.", "Place on the prepared baking sheet and bake until set but not browning at all, about 12 minutes.", "Allow to cool completely.", "To decorate the cookies with stenciled letters, Pink Buttercream or melted chocolate: Stencil some of the cookies with the alphabet stencils to spell out things like ""Love You"" and ""Be Mine.""
