Pesche Dolci | Italian Peach Cookies

Yield: About 18 Cookies Ingredients for cookie dough: 1 2/3 cup (210 grams) all-purpose flour 1 1/2 tsp (6 grams) baking powder 1/4 tsp (1 gram) salt 1/2 cup (110 grams) unsalted butter, softened 1/2 cup (60 grams) powdered sugar 1 large egg 1 tsp (4.9 mL) vanilla extract 3 tbsps (45 grams) sour cream Lemon zest from one lemon Ingredients for filling: 1/4 cup (30 grams) ground almonds 1/4 cup (80 grams) peach jam Cookie crumbs Ingredients for Decoration: 2/3 cup (160 mL) peach liqueur, divided Red food coloring Yellow food coloring Fine white sugar Mint leaves