Ingredients
1 package yellow cake mix (regular size), divided1/2 cup packed brown sugar2 tablespoons butter2/3 cup chopped walnuts1 cup sour cream2 large eggs1/4 cup all-purpose flour1-1/2 cups finely chopped fresh or frozen rhubarb1-1/2 cups sliced fresh strawberriesCream cheese frosting or vanilla ice cream, optional
Preparation
In a small bowl, combine 1/2 cup cake mix and sugar; cut in butter until crumbly. Add walnuts; set aside.
In another bowl, combine the sour cream, eggs, flour and remaining cake mix; beat on low speed for 30 seconds. Beat on medium for 2 minutes. Fold in rhubarb and strawberries. Spread into a greased 13x9-in. baking dish. Sprinkle with reserved crumb mixture.
Bake at 350° for 35-40 minutes or until a toothpick inserted in the center comes out clean. Cool on a wire rack.
If desired, drizzle with frosting or serve with ice cream.
