Rhubarb Cake

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Looking for an easy and delicious Rhubarb Cake Recipe? Let’s give this one a try!

I found this Rhubarb recipe on a single sheet of paper in the recipe book that I received from the family of my neighbor and friend Phylis after she passed away. So, I’m not certain where it originated. But I was delighted to find this sheet of paper with a few recipes on it.

Enjoy and happy baking! 💋

Kitchen Items for this Recipe

Rhubarb Cake Recipe

cast iron lane all tasty recipes

Rhubarb Cake

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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Course Dessert
Cuisine American



  • ½ C Shortening (or other fat)
  • 1 ½ C brown sugar (I prefer dark)
  • 1 large egg
  • 1 tsp vanilla
  • 1 C sour milk (1 cup milk + 1 tbsp vinegar)*
  • 2 C flour
  • 1 tsp salt
  • 1 tsp baking soda
  • 2 C finely chopped rhubarb


  • 1 tsp cinnamon
  • ¼ C granulated sugar


  • Preheat oven to 350°


  • Mix the cinnamon and sugar together


  • In a medium bowls, combine the brown sugar, egg, vanilla, milk, and shortening.
  • In separate bowl, sift together the flour, salt, and soda. Then add rhubarb. Combine both mixtures together.
  • Pour into a prepared 9x13 pan. Sprinkle with the cinnamon sugar mixture
  • Bake 35 - 40 minutes


*I've seen sour milk made a couple different ways.  Either by using 1 full cup of milk then adding the vinegar or, adding the vinegar first and then adding enough milk to make the total liquid equal one cup.
Keyword Rhubarb, Rhubarb Cake
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