Dissolve the 2 tablespoons of coffee in the tablespoon of boiling water.
In a small bowl, stir together flour, baking soda, and the half tablespoon of salt.
In a large bowl, beat the half cup of butter and the half cup of sugar on high speed for 2 minutes.
Add the bananas and the tablespoon of vanilla.
Add the eggs and beat on high speed for 1 minute, scraping the bowl frequently with a spatula.
On low speed, gradually add the flour mixture and the sour cream until completely combined.
Add the coffee mixture.
Divide the mixture into the cupcake liners.
Bake for 22 minutes or until a toothpick comes out clean.
While they are baking, in a heavy skillet, heat the half cup of sugar with the 2 tablespoons of water over medium heat, stirring until the sugar dissolves.
Increase the heat to the highest setting, cover, and let boil for 2 minutes.
Uncover and continue cooking until the sugar turns amber.
Remove the skillet from the heat and add the butter, stirring until dissolved.
Add the whipping cream, vanilla, and salt. Let it cool completely.
Heat the milk until it boils and add the instant coffee until it dissolves.
Set aside. In a medium bowl, beat the half cup of butter and gradually add the powdered sugar until it has a frosting consistency.
Add the milk and coffee mixture and continue beating until perfectly mixed.
Using a melon baller, scoop out a tablespoon from the center of each cupcake, going below halfway.
Fill with the caramel and place the ball of bread back on the caramel like a lid.
Decorate the cupcake with whipped cream mixed with the 2 tablespoons of sugar and the remaining caramel.
Nutritional Information
* * Information per 100g serving, percentage of daily values based on a 2,000 calorie diet.
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