Ingredients:
- 4 tbsps (1/2 stick) unsalted butter
- 2/3 cup natural unsweetened cocoa powder
- 1/2 cup whole-wheat pastry flour
- 1/4 tsp baking powder
- 1/4 tsp salt
- 1 cup sugar
- 2/3 cup sweet-potato puree
- 1 large egg
- 1 1/2 tsps vanilla extract
- 1/4 tsp instant coffee powder
Instructions:
- 1. Heat oven to 350 degrees. Butter an 8-inch square pan; set aside. In a medium saucepan over low heat, melt butter. Remove pan from heat, and stir in cocoa. Let cool slightly.
- 2. Meanwhile, in a small bowl, whisk together flour, baking powder, and salt.
- 3. Stir in sugar and sweet-potato puree, then egg. In a small bowl, stir together vanilla and coffee until coffee is dissolved; add to cocoa mixture.
- 4. Add flour mixture to cocoa mixture and stir until no traces of flour remain. Spoon into prepared pan; smooth the top. Bake until surface of brownies looks barely dry and an inserted knife comes out with a few moist crumbs, about 20 minutes. Cool to room temperature before serving.
