Buttercream Cookies

Name: Buttercream Cookies
Prep time: 20 min
Cook time: 12 min
Total time: 32 min
Cuisine: American
Ingredients: 3/4 cup or 1 1/2 sticks unsalted butter, room temp (170g); 1/2 cup or 4 oz. full fat cream cheese, room temp (113g); 1 1/2 cups granulated sugar (300g); 1 large egg, room temp (56g); 2 tsp vanilla bean paste or vanilla extract (8g); 1 tsp almond extract, optional (4g); 3 cups all-purpose flour (375g); 1 Tbsp cornstarch (8g); 1 tsp fine salt (6g); 1/2 tsp baking powder (2g); 1 cup unsalted butter, room temperature (226g); 1 Tbsp vanilla extract (12g); 1/2 tsp fine salt (3g); 3 1/2 cups powdered sugar (454g or 1 lb. box); 1/4 cup heavy cream (60g); parchment paper or silicone baking mat; baking sheet; piping bags; gel food coloring; frosting tips of your choice (optional); sprinkles