Ingredients

• 1 (8 ounce) container mascarpone cheese
• 4 teaspoons white sugar
• 1 teaspoon vanilla extract
• 1 egg yolk
• 4 cream-filled sponge snack cakes (such as Twinkies™)
• 6 tablespoons coffee flavored liqueur

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Instructions

1. Beat the mascarpone cheese, sugar, vanilla extract, and egg yolk in a bowl until lightly and creamy. Cut the sponge snack cakes in half lengthwise, then in half widthwise, cutting each into 4 pieces. Press two cake pieces into the bottom of a large coffee mug, cream-side-down. Press four cake pieces around the inside of the mug. Repeat with a second mug.
2. Sprinkle the sponge cake with 2 tablespoons of coffee liqueur per mug. Spoon in half of the mascarpone mixture and place two more sponge cake halves on top, cream-side-down. Sprinkle the tops with the remaining coffee liqueur. Wrap with plastic wrap, and refrigerate at least 2 hours before serving.