Chocolate-Peppermint Thumbprint Cookies Recipe

Name: Chocolate-Peppermint Thumbprint Cookies Recipe
Prep time: 30 min
Cook time: 10 min
Total time: 40 min
Cuisine: European
Ingredients: 1 cup + 2 tablespoons all-purpose flour; 1/3 cup unsweetened cocoa powder; 3/4 teaspoon baking soda; 1/2 teaspoon kosher salt; 1¼ sticks (10 tablespoons) salted butter, softened; 1 cup sugar; 1 large egg; 1½ teaspoons vanilla extract; 3/4 cup semisweet chocolate chips; 4 ounces milk chocolate, chopped; crushed peppermint candies, for topping