Ingredients

1/3 cup 2% milk1/4 cup peanut butter1 tablespoon canola oil1/2 teaspoon vanilla extract3/4 cup sugar, divided1/2 cup all-purpose flour3/4 teaspoon baking powder2 tablespoons baking cocoa1 cup boiling waterChocolate or vanilla ice cream, optional

Preparation

In a large bowl, beat the milk, peanut butter, oil and vanilla until well blended. In a small bowl, combine 1/4 cup sugar, flour and baking powder; gradually beat into milk mixture until blended. Spread into a 1-1/2-qt. slow cooker coated with cooking spray.

In a small bowl, combine cocoa and remaining 1/2 cup sugar; stir in boiling water. Pour into slow cooker (do not stir).

Cover and cook on high until a toothpick inserted in the center comes out clean, 1-1/2-2 hours. Serve warm, with ice cream if desired.