Vegan Dark Chocolate Cupcakes with Peanut Butter Frosting

Name: Vegan Dark Chocolate Cupcakes with Peanut Butter Frosting
Ingredients: 2 cups all purpose flour (or cake flour); 1 1/2 cups sugar; 1 tablespoon cream of tartar; 2 teaspoons baking soda; 1/2 teaspoon kosher salt; 3/4 cup dark chocolate cocoa powder; 2 ounces vegan dark chocolate, finely chopped; 3/4 cup sunflower oil; 1 1/4 cups vanilla almond milk; 3/4 cup cinnamon applesauce; 1 tablespoon vanilla extract; 1 tablespoon cider vinegar; 1 cup creamy peanut butter; 1/2 cup vegan margarine; 3 tablespoons vanilla almond milk