_:ncd361b1da55c484d84c3dedd4a33242exb0
<http://schema.org/recipeInstructions>
"Preheat oven to 350*F\nSpray a 9x13 Casserole Dish\nIn bottom of casserole dish combine rhubarb, strawberries and sugar.  Mix well.\nSprinkle jello evenly over rhubarb mixture.\nSprinkle marshmallows over jello.\nIn a separate bowl make cake mix according to package directions.\nPour cake mix over marshmallows.\nBake for 45 minutes.  Watch after 30 to see if you need to tent cake with foil.\nAllow to cool for 5 minutes then flip cake upside down onto a large platter or cookie sheet.  Slice and serve with ice cream or whipped cream."
<https://numstheword.com/strawberry-rhubarb-lemon-upside-down-cake/>