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    Home » Recipes » Dessert Recipes

    Rhubarb Coffee Cake

    Published: May 7, 2023 · Modified: May 15, 2025 by Karin and Ken · This post may contain affiliate links. Leave a Comment

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    Rhubarb coffee cake is a cinnamon-spiced cake made with fresh rhubarb and a cinnamon crumb topping. This coffee cake is great for both breakfast and dessert. No matter when you enjoy this tender cake your entire family will love it.

    Very Closeup photo of a slice of rhubarb coffee cake served inside a small plate.

    This rhubarb cake recipe was inspired by my rhubarb cookie recipe on this site and pairs well with this cloud coffee recipe.

    What is Coffee Cake?

    Coffee cake means different things depending on where you live. In the US, coffee cake is typically a single-layer circular cake flavored with fruit or cinnamon and topped with a cinnamon sugar crumb topping.

    In the UK, a British coffee cake is usually a sponge-like cake that has been soaked or flavored with coffee. British coffee cake is also circularly shaped but layered with cake and frosting.

    Most commonly coffee cakes are served with coffee or tea for a snack or breakfast. It also makes a nice addition to breakfast or brunches.

    Why You Will Love This Recipe

    • A moist and tender cake with an irresistible crunchy crumb topping.
    • Easy-to-make recipe that anyone can create.
    • Great way to use fresh rhubarb when it’s in season.
    • Easy to adjust the sweetness level depending on your preference.
    • Makes a delicious breakfast or dessert and pairs beautifully with coffee or tea.

    Ingredients

    All the ingredients in this recipe are simple and most of them are likely in your kitchen right now. Any that aren't, are readily available at your local grocery store.

    Overhead shot of individual rhubarb coffee cake recipe ingredients in bowls on table
    • Butter: Adds flavor and fat to the rhubarb cake.
    • Brown sugar: This sugar adds moisture and has a deep flavor thanks to the molasses in it.
    • Vanilla yogurt or sour cream: Adds moisture to the coffee cake along with giving it a richer flavor.
    • Vanilla extract: Use real vanilla extract when possible for the best flavor.
    • Ground cinnamon: Spice gives the cake and crumb topping a more intense spiced flavor.
    • Rhubarb: This very tart vegetable with bright pink stalks is quite seasonal. In the US, it usually first appears in April and May and lasts throughout the summer.

    How do I pick ripe rhubarb?

    If you are picking rhubarb from your garden look for stalks that are anywhere from 7 to 15 inches long. You also want to make sure that the leaves of the rhubarb plant have opened fully.

    When choosing rhubarb at the grocery store I recommend looking for firm, crisp stalks with shiny skins. Do not purchase stalks with split ends. 

    Substitutions and Variations

    • Go Nuts: Add your favorite chopped nuts to your batter or mix them into the topping. Chopped nuts like hazelnuts, almonds, pecans, or walnuts give your cake a bit of crunch.
    • Vanilla extract: Vanilla is a universal crowd-pleaser, but feel free to add half a teaspoon of your desired extract flavor to your batter like almond, coconut, lemon, banana, maple, orange, or rum extract instead.
    • Add Glaze: Whip up a quick glaze with powdered sugar and milk and then drizzle over the top of your crumb coating just before serving.
    • Rhubarb: You can substitute or use a combination of apples, peaches, cranberries, or fresh berries such as strawberries, blueberries, raspberries, or blackberries for the rhubarb.
    • Cinnamon: Use nutmeg, ginger, or cardamom instead.

    How to Make Rhubarb Coffee Cake

    Like all coffee cakes, this rhubarb coffee cake recipe is quick and easy. I've included the highlights here, but you'll find the exact directions in the recipe card at the end of the post.

    1. Beat together the butter and sugar in a medium mixing bowl.
    2. Add the remaining wet ingredients.
    Overhead photo of butter and brown sugar inside a large glass bowl.
    Overhead photo of a raw egg on top of butter and brown sugar mixture inside a large glass bowl.
    1. Combine the dry ingredients in a bowl and then mix them into the wet.
    Overhead photo of flour, cinnamon, baking soda and salt added to the wet ingredients indie the glass bowl.
    1. Fold the rhubarb into the batter.
    2. Transfer the cake batter into a prepared baking dish.
    Overhead photo of Rhubarb gently mixed into the batter using a gray spatula inside a large glass bowl.
    Rhubarb Coffee Cake batter placed inside a prepared baking dish.
    1. Mix together the butter, brown sugar and cinnamon to make the crumble topping.
    2. Sprinkle evenly over the rhubarb cake batter.
    Overhead photo of brown sugar, flour, butter and cinnamon inside a glass bowl.
    Overhead photo of crumb topping added to the top of the rhubarb cake batter.
    1. Bake the cake until a toothpick inserted into the center comes out clean. Cool and enjoy!
    Closeup photo of two rhubarb coffee cake slices stacked on a small plate.

    Hint: Do not over-mix the batter. Over-mixing this coffee cake recipe can lead to a dry and tough coffee cake. Mix until just combined. 

    If you love recipes like this, you may also enjoy our Rhubarb Upside Down Cake or this blueberry rhubarb pie.

    A fork standing upright inside a slice of rhubarb coffee cake.

    Storage

    • Refrigerator: Since this coffee cake contains fruit, it's best to store it in the fridge after the first 24 hours. Place it in an air-tight container in the fridge for up to a week.
    • Freezer: Wrap it well and store for up to 3 months in the freezer.
    • Thaw: Simply place the coffee cake on the counter. It should defrost in about 4 hours. Enjoy the cake at room temperature after defrosting or heat it up in the microwave.

    Tips

    • Do not over-mix. Over-mixing this coffee cake recipe can lead to a dry and tough coffee cake.
    • Don’t overbake: This cake is best when it is baked perfectly. Baking your coffee cake too long will result in a dry cake. Check your cake with a toothpick, it is done when the toothpick comes out clean.
    • Use fresh rhubarb for the best flavor.
    • Grease and flour your pan to ensure proper baking and removal from the pan once cooked.
    • Ensure all ingredients are at room temperature before starting the cake batter for a smooth texture.

    FAQ

    Why do I need to spray my baking pan and then add flour?

    When you spray and flour your cake pan it prevents sticking. You can also do this using shortening or butter instead of cooking spray.

    How do you grease and flour a pan?

    Thoroughly cover the interior of your pan with butter or shortening.
    Then swirl a small amount of flour in your pan until the entire pan is coated in flour. Once your whole cake pan is coated in flour tap off any of the extra flour.

    Should I serve coffee cake for breakfast or dessert?

    Why not serve it for both? Coffee cake works for both breakfast and dessert. You can serve for it either or both that is up to you.
    We won’t judge you if you decide to eat it for dessert one night and breakfast with your coffee the following morning. No matter when you serve it I promise you will love it.

    Does coffee cake contain coffee?

    Funny enough, coffee cake does not contain coffee. Why is it called coffee cake you are wondering? It’s because it is typically served with a good cup of hot coffee.

    Closeup photo of a fork holding a pite of rhubarb coffee cake.

    Video

    YouTube video

    More Coffee Cake Recipes

    Do you like coffee cake? Here are some recipes you may also like to try.

    • Pumpkin Spice Coffee Cake
      Pumpkin Spice Coffee Cake Recipe
    • Easy Peach Coffee Cake
      Easy Peach Coffee Cake
    • Caramel Coffee Cake Muffins.
      Mini Caramel Coffee Cake Muffin Recipe
    • closeup slice of cake on white plate
      Drakes Coffee Cake - But Better

    Ready to get cooking? Remember that you can print this recipe if you would like.

    A forkful of rhubarb coffee cake up over a plate with a slice of cake.

    Rhubarb Coffee Cake

    Karin and Ken
    Rhubarb Coffee Cake is tender cake filled with fruity rhubarb flavor and topped with a cinnamon crumb topping.
    Print Recipe Pin Recipe
    Prep Time 15 minutes mins
    Cook Time 35 minutes mins
    Total Time 50 minutes mins
    Course Dessert
    Cuisine American
    Servings 9 Servings
    Calories 191 kcal

    Equipment

    • Measuring cups and spoons
    • cutting board
    • Sharp knife
    • 8 x 8 inch cake pan
    • large bowl
    • Hand mixer
    • Rubber spatula
    • toothpicks
    • wire rack

    Ingredients
      

    For the Pan

    • cooking spray
    • 1 tablespoon flour or as needed

    Cake Ingredients

    • ¼ cup butter softened
    • ¾ cup brown sugar
    • 1 large egg
    • ½ cup vanilla yogurt or sour cream
    • 1 teaspoon vanilla extract
    • 1 cup all-purpose flour
    • ¾ teaspoon ground cinnamon
    • ½ teaspoon baking soda
    • ¼ teaspoon salt
    • 2 cups diced rhubarb

    Topping Ingredients

    • ¼ cup brown sugar
    • ¼ cup all-purpose flour
    • 2 tablespoons butter softened
    • ⅓ teaspoon ground cinnamon
    Get Recipe Ingredients

    Instructions
     

    • Preheat oven to 350 degrees F (175 degrees C). Spray an 8-inch square baking dish with cooking spray; dust with 1 tablespoon flour.
    • Beat ¼ cup butter and ¾ cup brown sugar together with an electric mixer in a large bowl until light and fluffy. The mixture should be noticeably lighter in color. Beat egg into butter mixture.
    • Add sour cream, vanilla yogurt, and vanilla extract to the mixture; beat to integrate.
    • Stir 1 cup flour, ¾ teaspoon cinnamon, baking soda, and salt together in a bowl; add to the butter mixture and beat to combine into a batter.
    • Fold rhubarb into the batter. Pour batter into prepared baking dish.
    • Mix ¼ cup brown sugar, ¼ cup flour, 2 tablespoons butter, and ½ teaspoon cinnamon together in a bowl using a fork to achieve a crumbly consistency; sprinkle over the top of the batter.
    • Bake in the preheated oven until a toothpick inserted into the center comes out clean, 35 to 40 minutes. Cool in the pan for 10 minutes before removing to cool completely on a wire rack.

    Video

    Notes

    Do not over-mix. Over-mixing this coffee cake recipe can lead to a dry and tough coffee cake.
    Don’t overbake: This cake is best when it is baked perfectly. Baking your coffee cake too long will result in a dry cake. Check your cake with a toothpick, it is done when the toothpick comes out clean.
    Use fresh rhubarb for the best flavor.
    Grease and flour your pan to ensure proper baking and removal from the pan once cooked.
    Ensure all ingredients are at room temperature before starting the cake batter for a smooth texture.

    Nutrition

    Serving: 1SliceCalories: 191kcalCarbohydrates: 42gProtein: 4gFat: 1gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gTrans Fat: 1gCholesterol: 20mgSodium: 160mgPotassium: 182mgFiber: 1gSugar: 27gVitamin A: 77IUVitamin C: 2mgCalcium: 86mgIron: 1mg
    Keyword Coffee Cake Recipe, rhubarb cake recipe, Rhubarb Coffee Cake
    Tried this recipe?Let us know how it was!

    This post was originally published June 2021. It has been updated with new images and content.

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    Welcome!

    We are the kitchen divas: Karin and my partner in life, Ken.

    We have been attached at the heart and hip since the first day we met, and we love to create new dishes to keep things interesting. Variety is definitely the spice of life!

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