Ingredients
1-3/4 cups packed brown sugar, divided1 cup all-purpose flour6 tablespoons baking cocoa, divided2 teaspoons baking powder1/2 teaspoon salt1/2 cup 2% milk2 tablespoons butter, melted1/2 teaspoon vanilla extract1-1/2 cups semisweet chocolate chips1-3/4 cups boiling waterVanilla ice cream
Preparation
In a small bowl, combine 1 cup brown sugar, flour, 3 tablespoons cocoa, baking powder and salt. Combine the milk, butter and vanilla; stir into dry ingredients just until combined.
Spread into a 3-qt. slow cooker coated with cooking spray. Sprinkle with chocolate chips. In another bowl, combine the remaining brown sugar and cocoa; stir in boiling water. Pour over batter (do not stir).
Cover and cook on high for 4 to 4-1/2 hours or until a toothpick inserted in the center of cake comes out clean. Serve warm with ice cream.