Our farmers market had the market chef giving out samples today and one of the things she made was Raspberry Marshmallow Cake. It was so good! Ingredients 2 cups fresh berries (raspberries, strawberries, blueberries, etc.) 3 oz. box Jello, flavor to match berries 1 box of white cake mix Miniature marshmallows Instructions Line the bottom of a 9 X 13 cake pan with miniature marshmallows. Prepare cake mix according to directions and pour batter on marshmallows. Mix berries and Jello together, mashing the berries. Spread berry and Jello mix on top of cake batter. Bake @ 350 for 30-35 minutes or according to cake mix instructions.