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Home » Cook » Desserts and Baking » Rhubarb Upside Down Cake

Rhubarb Upside Down Cake

May contain affiliate links or sponsored content. Please see my privacy policy and affiliate disclosure.

Originally published on June 3, 2017. Last updated on May 29, 2021

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Freshly harvested rhubarb, and a whole rhubarb upside down cake on a blue plate.

This rhubarb upside down cake is easy to make, beautiful, and delicious! It’s a little bit sweet and a little bit tart – the perfect spring dessert when rhubarb is in season.

A whole rhubarb upside down cake on a blue plate.

Baking with Rhubarb

Rhubarb is an interesting vegetable that is most commonly eaten as a fruit. It is tart and delicious with an old time flavor that grows on you over time.

I love it, and was very excited to discover a rhubarb plant growing in our backyard when we moved into this house last year.

Rhubarb is often paired with strawberries, and I have recipes for strawberry rhubarb butter and fermented strawberry rhubarb soda.

But this time I wanted something with just rhubarb. Normally I’m one to go for pie over cake, but this rhubarb upside down cake was calling to me!

stalks of fresh rhubarb on a wooden board

Rhubarb Upside Down Cake Recipe

Upside down cake is one of my favorites, primarily because it’s most often make with fruit. Pineapple is the classic, but many different fruits can be used.

I made an awesome plum and lemon upside down cake with lavender whipped cream last year!

For this one we will use rhubarb.

First, liberally grease a 9 or 10 inch cast iron skillet, or other pan of similar size, with half of the butter. (Yes, half! It would be sad if your cake stuck to the pan).

Sprinkle the bottom of the skillet with the brown sugar, then add the rhubarb slices in a single layer.

brown sugar and rhubarb in a cast iron skillet

I like to layer the rhubarb in a nice pattern.

rhubarb slices in the bottom of a buttered cast iron skillet

Whisk together the remaining butter, yogurt, eggs, vanilla, and sugar. In a separate bowl, combine the flour, baking soda, salt, and cinnamon. Add the liquid mixture to the flour mixture, and stir gently to combine.

Pour the batter into the skillet, on top of the rhubarb, smoothing and leveling the top.

Bake for 50-60 minutes, or until a toothpick stuck in the center comes out clean.

This cake smells so good while it’s cooking! Once you pull it out of the oven you’ll want to let it cool just for a few minutes before trying to flip it.

rhubarb upside down cake in a cast iron skillet out of the oven

Gently run a knife around the edge of the cake to loosen it from the skillet. Put a plate that is larger than the skillet over the top. Using hot pads (I highly recommend a hot handle holder for cast iron skillets), carefully flip the cake over and gently lift the pan off the cake.

Flipping the rhubarb upside down cake is the hardest part! But, it’s really not that hard. Be careful because it’s hot!

After flipping it’s common for some of the fruit to stick to the pan. Just do a little fruit repair and you’re good to go!

flipped rhubarb upside down cake

Another reason that I like upside down cake is that the fruit caramelizes in the bottom of the pan with the brown sugar and butter, and oh man is it delicious when it comes out! The edges are the best part.

This rhubarb upside down cake is so tasty! A little tart from the rhubarb, but also a bit sweet, and then those caramelized edges I was talking about.

Serve warm and topped with ice cream and you will be in heaven!

rhubarb upside down cake on a plate

I hope you try this recipe, especially if you’re a rhubarb lover. It’s so good!

Have you ever made an upside down cake? What is your favorite kind?


Seasonal Farm Fresh Dessert Recipes

Looking to do a little extra baking with fresh, seasonal fruit? Try some more of my favorite recipes!

  • Skillet Peach & Blackberry Cobbler
  • Plum & Lemon Upside Down Cake
  • Skillet Pear & Blackberry Crisp
  • Wild Berry & Nectarine Galette

 

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4.41 from 10 votes

Rhubarb Upside Down Cake

This rhubarb upside down cake is easy to make, beautiful, and delicious!
Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 1 hour
Cooling Time 5 minutes
Total Time 1 hour 15 minutes
Servings 8
Calories 342kcal
Author Colleen @ Grow Forage Cook Ferment

Ingredients

US Customary - Metric
  • 1/2 cup (1 stick) unsalted butter, softened
  • 1/2 cup brown sugar
  • 2-3 stalks of rhubarb sliced into 1/4" pieces
  • 1 cup full fat plain yogurt or buttermilk
  • 2 eggs
  • 1 tsp vanilla extract
  • 1/2 cup sugar
  • 2 cups all purpose flour
  • 1 tsp baking soda
  • 1/4 tsp salt
  • 1/4 tsp ground cinnamon

Instructions

  • Preheat the oven to 350°F
  • Liberally grease a 9 or 10 inch cast iron skillet, or other pan of similar size, with half of the butter.  (Yes, half!  It would be sad if your cake stuck to the pan).
  • Sprinkle the bottom of the skillet with the brown sugar, then add the rhubarb slices in a single layer.
  • Whisk together the remaining butter, yogurt, eggs, vanilla, and sugar.
  • In a separate bowl, combine the flour, baking soda, salt, and cinnamon.
  • Add the liquid mixture to the flour mixture, and stir gently to combine.
  • Pour the batter into the skillet, on top of the rhubarb, smoothing and leveling the top.
  • Bake for 50-60 minutes, or until a toothpick stuck in the center comes out clean. Let cool for about 5 minutes.
  • Gently run a knife around the edge of the cake to loosen it from the skillet. Put a plate that is larger than the skillet over the top. Using hot pads (I highly recommend a hot handle holder for cast iron skillets), carefully flip the cake over and gently lift the pan off the cake.

Notes

It’s common for some of the rhubarb to stick to the pan, just do a bit of fruit repair and no one will ever know.

Nutrition

Serving: 1piece | Calories: 342kcal | Carbohydrates: 48g | Protein: 6g | Fat: 13g | Cholesterol: 73mg | Sodium: 355mg | Potassium: 192mg | Sugar: 23g | Calcium: 70mg | Iron: 1.8mg
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Reader Interactions

Comments

  1. Ruth says

    July 30, 2022 at 1:46 am

    5 stars
    Wow how yummy is this !! Thank you

    Reply
    • Grow Forage Cook Ferment says

      August 1, 2022 at 9:12 am

      You’re so welcome, Ruth!

      Reply
  2. Marge says

    July 2, 2018 at 3:56 pm

    Do you have a receipt for a spicy rhubarb relish that you can serve over cream cheese?
    I had some last week and it was so relish

    Reply
  3. naomi dagen bloom says

    May 13, 2018 at 10:45 am

    5 stars
    Excellent, thank you! Spouse & I made yesterday, posted pic on Facebook–with your recipe. Uncomplicated, appreciated fewer eggs than usual rhubarb cake recipes. Yes, transfer was tricky. After cooled, onto parchment paper, slid onto plate, into cake carrier (little big, might try #9 pan next time).

    Reply
  4. Jackie says

    April 1, 2018 at 4:41 am

    Thanks for the recipe, I’ve done the pineapple and a peach one which taste great. I use the UK recipe which is what we call the 6 round recipe. This is 6 ounces each of sugar, butter & self raising flour and 3 eggs. (extra sugar & marg or butter to line the tin.) Then whichever fruit you like. Needless to say it doesn’t last long!!

    Reply
  5. Jane says

    September 2, 2017 at 8:25 am

    Sooooo good and I even reduced the sugar a bit more! With a second crop of rhubarb, I am going to make it again with the rhubarb from the freezer.

    Reply
  6. Marion says

    June 7, 2017 at 7:20 pm

    Oooooo,this is sooooo delish.Made it today in my late Mother In Law’s very old cast iron frying pan.Rhubarb out of the garden and eggs from my free range chooks.Thanks ever so much for the yummmmy recipe.

    Reply
  7. Debbie says

    June 4, 2017 at 10:51 pm

    5 stars
    This sounds so good.. I can’t wait to make it.. Thank you for sharing your recipe.. Looking forward to more recipes..

    Reply

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