Monkey Lovin' Mocha Mouthfulls

From the "Friends" cookbook "Cooking with Friends" Ross's monkey Marcel's favorite treat

• Ready In: 28 mins
• Serves: 12

Ingredients

• 4  tablespoons unsalted butter
• 2  ounces  semisweet chocolate
• 1⁄3 cup sugar
• 1  large egg
• 1  tablespoon  coffee liqueur
• 1  teaspoon instant espresso powder
• 1⁄3 cup flour
• 1⁄3 cup  chopped walnuts, plus
• 12  walnut halves

Directions

1. Preheat oven to 350°.
2. Generously grease a 12 cup mini-muffin pan tin (the cups are about 2 inches in diameter) and set aside.
3. Melt the butter and chocolate together in the top of a double boiler, stirring until smooth, set the mixture aside to cool slightly.
4. Stir in the sugar until smooth.
5. Whisk in egg, coffee liquor, and espresso powder.
6. Gently fold in the flour and chopped walnuts.
7. Spoon the batter into the prepared cups, filling the cups about 3/4 full.
8. Place a walnut half in the center of each cup.
9. Bake until the center of one of the cakes comes out clean when pricked with a toothpick, about 20 minutes.
10. Cool in tins about 5 minutes, then transfer to wire rack.