Name: Mexican Hot Chocolate Sandwich Cookies
Cook time: 10 min
Total time: 10 min
Yield: 18
Ingredients: 7 ounces bittersweet chocolate, chopped; 2 ounces unsweetened baking chocolate, chopped; 5 TBSP unsalted butter; 2 large eggs, room temperature; 1½ tsp vanilla extract; 7 TBSP all-purpose flour; ⅔ cup granulated sugar; ½ tsp baking powder; ¾ tsp cinnamon; ¼ tsp cayenne pepper; ½ tsp salt; 1 cup semisweet chocolate chips or chopped dark chocolate; ¾ cup (1½ sticks) unsalted butter, softened to room temperature; 2½ cups confectioner's sugar; 1 tsp vanilla; pinch of salt