The Best Easy Samoas Cupcakes - healthy life

Name: The Best Easy Samoas Cupcakes - healthy life
Cuisine: American
Ingredients: 1 cup all-purpose flour; 1 1/4 teaspoons baking powder; 1/4 teaspoon salt; 1/2 cup butter, softened; 1 cup granulated sugar; 1 egg plus 1 egg yolk; 1 1/2 teaspoons vanilla extract; 1/3 cup full-fat vanilla yogurt (greek or regular is fine); 1/4 cup buttermilk; Caramel Sauce to fill; 1 cup butter (2 sticks); 1/2 cup cocoa powder; 3 to 3 1/2 cups powdered sugar; 2 teaspoons vanilla extract; 1–2 tablespoons heavy cream or milk as necessary; 1 cup Sweetened Coconut to decorate; 1 cup semi-sweet chocolate chips to decorate