Pre-heat the oven to 350 degrees F.
Finely chop the rhubarb and strawberries and place in a 9 x 9 greased baking dish.
In a small saucepan, combine the granulated sugar, cornstarch 1 C of cold water and the strawberry flavored gelatin. Stirring constantly, cook until it bubbles and thickens.
Gently pour over the rhubarb and strawberries.
In a medium sized glass bowl, place the ½ C of butter. Melt it in the microwave. Add the flour, oatmeal, brown sugar, and cinnamon. Gently stir with a fork until everything is wet and combined. Sprinkle over the rhubarb and strawberry mixture in the baking dish.
Bake at 350 degrees F. for 40 to 45 minutes. The rhubarb and strawberry crisp should be bubbly and lightly browned on top.
Serve warm with a dollop of whipped cream or a scoop of vanilla ice cream. Your friends and family will love knowing they’re eating a yummy serving of vegetables for dessert.