Rhubarb Upside Down Cake

"Simple easy recipe using a cake mix. It is very moist. Now another recipe to use up that wonderful rhubarb. You can use fresh or frozen rhubarb."
photo by a food.com user photo by a food.com user
Ready In:
1 cake


  • 1 (18 ounce) package yellow cake mix
  • 3 eggs (or as called for by your cake mix)
  • 13 cup oil (or as called for by your cake mix)
  • 1 13 cups water (or as called for by your cake mix)
  • 12 cup brown sugar
  • 34 cup white sugar
  • 4 cups rhubarb (chopped)


  • Grease a 9 x 13 cake pan with butter or use release spray.
  • Prepare cake mix as directed on package.
  • Sprinkle brown sugar on bottom of buttered pan.
  • Put cut up rhubarb on top of brown sugar then sprinkle white sugar on top of rhubarb.
  • Pour mixed cake mix batter on top of rhubarb sugar mix.
  • Bake at 350 degrees according to cake mix box directions. When firm to touch remove from oven.
  • Cool for 5-10 minutes then flip over onto serving plate.

Questions & Replies

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  1. Brooke the Cook in
    Too sweet and recipe doesn't say where to add the butter.... I added in little pieces on top of the rhubarb sugar mix - probably not the place because it just seems greasy in addition to being overly sweet. The next day the whole cake was a soggy mess. Was I supposed to keep it in the fridge? Might be better if I knew where/how to add the butter and how to keep the cake from becoming soggy....
  2. luvcookn
    This is an answer to my quandry.....I have tried many recipes (from scratch) that always remain uncooked in the center. So I quit making it, until now...I made this exactly as stated and it came out perfectly. Thank you for posting a wonderful recipe.


<p>I'm retired since August 2007 after 20 years from a library in central Wisconsin. I guess you could say my hobby is cooking. My husband has even gained weight since I am home more. <br /><br />I love trying new recipes and just started smoking food in my new smoker. So far I have only made salmon and turkey. Both turned out good. <br />We have two grown children and two granddaughters. <br /><br />We also love camping and try to go often. My husband loves fishing and hunting so we have alot of fish and venison and the freezer. <br /><br />I love Zaar and visit the site almost every day. I really love it when I get a good review on one of my recipes. I just wish members would alow zaar mail fo I could thank them for the review.</p>
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