Hot Fudge Cake

This is really easy, really rich, and everyone seems to really like it. It is definitely best when served warm.

SERVINGS: 6-8
TIME: Prep: 20 min. Cook: 4 hours
Ingredients:
1-3/4 cups packed brown sugar, divided
1 cup all-purpose flour
6 tablespoons baking cocoa, divided
2 teaspoons baking powder
1/2 teaspoon salt
1/2 cup milk
2 tablespoons butter, melted
1/2 teaspoon vanilla extract
1-1/2 cups semisweet chocolate chips
1-3/4 cups boiling water
Vanilla ice cream
Directions:
In a bowl, combine 1 cup brown sugar, flour, 3 tablespoons cocoa, baking powder and salt. In another bowl, combine the milk, butter and vanilla; stir into dry ingredients just until combined. Spread evenly into a 3-qt. slow cooker coated with cooking spray. Sprinkle with chocolate chips.
In a 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 near the center of cake comes out clean. Serve warm with ice cream. Yield: 6-8 servings