Banana Brownie Cupcakes

Name: Banana Brownie Cupcakes
Ingredients: 2 3/4 cups all-purpose flour; 1/2 teaspoon baking powder; 2 teaspoons salt; 8 ounces butter; 3 cups sugar; 1/2 cup cocoa powder; 5 eggs; 1 egg yolk; 6 ounces banana puree; 2 ounces buttermilk; 2 teaspoons vanilla extract; 6 ounces caramel candies; 4 ounces bananas; 1-ounce milk; 1/8 teaspoon salt; 6 egg yolks; 1/2 cup sugar; 1 pound butter; 1 teaspoon vanilla extract; 2 cups sugar; 2 cups cream; 12 ounces dulce de leche; 1/2 tablespoon molasses; 1 tablespoon salt; 1 cup white coating chocolate; 1 cup heavy cream; Food coloring