Old-Fashioned Rhubarb Cake

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350 Reviews
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This recipe for rhubarb cake uses buttermilk for moist results. This cake is delicious served warm with ice cream.

Submitted by Barb Oke
Updated on February 12, 2024
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Prep Time:
15 mins
Cook Time:
45 mins
Total Time:
1 hr
Servings:
18
Yield:
1 (9x13-inch) cake
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Ingredients

Original recipe (1X) yields 18 servings

  • 1 ½ cups white sugar

  • ½ cup butter

  • 1 large egg

  • 1 teaspoon vanilla extract

  • 2 cups all-purpose flour

  • 1 teaspoon baking soda

  • ¼ teaspoon salt

  • 1 cup buttermilk

  • 2 cups rhubarb, chopped

  • 1 tablespoon all-purpose flour

  • 1 cup packed brown sugar

  • ¼ cup butter

  • 2 teaspoons ground cinnamon

Directions

  1. Preheat the oven to 350 degrees F (175 degrees C).

  2. Beat butter and sugar together in a large bowl with an electric mixer until lighter in color. Beat in egg and vanilla.

  3. Sift 2 cups flour, baking soda, and salt together in a separate bowl; add alternately with buttermilk to butter mixture.

  4. Toss rhubarb with 1 tablespoon flour, and stir into batter. Spoon batter into buttered 9 x 13-inch pan, and smooth the surface.

  5. Mix brown sugar, 1/4 cup butter, and cinnamon together; sprinkle evenly over batter.

  6. Bake in preheated oven until a toothpick inserted into the cake comes out clean and the top is golden, about 45 minutes.

Recipe Tip

If you don't have buttermilk, you may substitute sour milk. Stir 1 tablespoon of vinegar or lemon juice together with 1 cup of milk and let stand for 10 minutes.

575 home cooks made it!

Nutrition Facts (per serving)

245 Calories
8g Fat
41g Carbs
3g Protein
Nutrition Facts
Servings Per Recipe 18
Calories 245
% Daily Value *
Total Fat 8g 11%
Saturated Fat 5g 25%
Cholesterol 31mg 10%
Sodium 179mg 8%
Total Carbohydrate 41g 15%
Dietary Fiber 1g 3%
Total Sugars 29g
Protein 3g 5%
Vitamin C 1mg 1%
Calcium 46mg 4%
Iron 1mg 5%
Potassium 99mg 2%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.