Lemon and Berry Upside Down Cake
1 package lemon cake mix
1/3 cup margarine or butter, melted
1 cup brown sugar
1 1/2 cups fresh strawberries
1 1/2 cups fresh blueberries
1 1/2 cups fresh raspberries
Prepare the cake mix according to package directions. Set aside.
Pour melted margarine into a 13x9-inch baking pan. Sprinkle brown sugar over, then add fruit. Pour prepared cake over the top.
Bake at 350 degrees F for 40 to 50 minutes. Remove from oven and let rest for five minutes. Invert carefully onto a serving platter.
Serve with vanilla ice cream, whipped cream, or lightly dust with powdered sugar.