5 cups cut up rhubarb
1 small box strawberry or raspberry jello
1 cup sugar
3 cup miniature marshmallows
1 box white cake mix

Cut up rhubarb in 9x13-inch pan. Sprinkle with strawberry or raspberry jello. Spread on sugar and marshmallows. Mix cake mix as directed and spread. Bake in 350°F oven for about 1 hour. Cool in pan 5 minutes, then remove to tray or platter.