Best Ever Easy Rhubarb Cake

This Best Ever Easy Rhubarb Cake is the ultimate spring dessert, combining the tartness of fresh rhubarb with a sweet, buttery crumb. It is a simple, one-bowl wonder that highlights the seasonal beauty of rhubarb in every delicious bite.

Why You Will Love This Recipe

There are so many reasons to fall in love with this cake. First, it requires very little effort but delivers a professional, bakery-style result that will impress your friends and family. The balance between the tangy rhubarb and the sugary cake base is perfectly calibrated, ensuring it is never too sweet. Additionally, the texture is incredibly moist thanks to the addition of sour cream or Greek yogurt, making it a reliable recipe you will return to year after year. It is the perfect way to use up your garden harvest or store-bought stalks.

Ingredients

3 cups fresh rhubarb, chopped into 1/2 inch pieces
1/2 cup unsalted butter, softened to room temperature
1 1/4 cups granulated sugar, plus extra for sprinkling
1 large egg, room temperature
1 teaspoon pure vanilla extract
2 cups all-purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1 cup sour cream or plain Greek yogurt
1 teaspoon ground cinnamon (optional for topping)

Step-by-Step Instructions

Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan or a 9-inch springform pan with butter or non-stick spray.
In a large mixing bowl, cream together the softened butter and 1 1/4 cups of granulated sugar until the mixture is light and fluffy.
Add the egg and vanilla extract to the butter mixture, beating well until fully incorporated.
In a separate medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
Gradually add the dry ingredients to the wet ingredients, alternating with the sour cream. Begin and end with the flour mixture, mixing until just combined.
Gently fold about 2 cups of the chopped rhubarb into the thick batter.
Spread the batter evenly into the prepared baking pan. Scatter the remaining 1 cup of rhubarb over the top of the batter.
In a small bowl, mix a tablespoon of sugar with the cinnamon and sprinkle it evenly over the top of the cake for a crunchy crust.
Bake for 40 to 45 minutes, or until a toothpick inserted into the center comes out clean and the edges are golden brown.
Allow the cake to cool in the pan for at least 20 minutes before slicing and serving.

BEST EVER EASY RHUBARB CAKE process — How to make BEST EVER EASY RHUBARB CAKE

Expert Tips / Pro Tips

To ensure the best results, always use fresh, firm rhubarb stalks. If your rhubarb is particularly juicy, you can toss the chopped pieces in a tablespoon of flour before folding them into the batter to prevent them from sinking to the bottom. Do not overmix the batter once you add the flour; overmixing can lead to a tough, dense cake rather than a light and airy one. If you find the top is browning too quickly, loosely tent the pan with aluminum foil for the last 10 minutes of baking.

If you do not have sour cream on hand, full-fat Greek yogurt or even buttermilk works as an excellent substitute. For a twist on the classic flavor, try a Strawberry Rhubarb version by replacing one cup of rhubarb with sliced fresh strawberries. You can also add a teaspoon of orange zest or ginger to the batter for an extra layer of brightness. For those who enjoy a bit of crunch, adding a handful of chopped walnuts or pecans to the cinnamon-sugar topping adds a wonderful texture.

Serving Suggestions

This cake is versatile enough to be served for breakfast, brunch, or dessert. For a simple treat, serve it warm with a generous dusting of powdered sugar. If you are serving it as a dessert, a scoop of high-quality vanilla bean ice cream or a dollop of freshly whipped cream is the perfect accompaniment. It also pairs beautifully with a hot cup of coffee or a glass of cold milk.

Store any leftover cake in an airtight container at room temperature for up to two days. For longer storage, keep it in the refrigerator for up to five days. This cake also freezes beautifully; wrap individual slices or the entire cake tightly in plastic wrap and then aluminum foil, and store in the freezer for up to three months. To reheat, simply place a slice in the microwave for 15-20 seconds or warm it in a 300°F oven until heated through.

Nutrition Information

Metric	Amount Per Serving
Calories	285 kcal
Total Fat	11g
Saturated Fat	7g
Cholesterol	45mg
Sodium	210mg
Total Carbohydrates	42g
Dietary Fiber	1g
Sugars	24g
Protein	4g

FAQ

Can I use frozen rhubarb for this cake?

Yes, you can use frozen rhubarb. Be sure to thaw it completely and pat it dry with paper towels to remove excess moisture before adding it to the batter.

Do I need to peel the rhubarb before chopping?

There is no need to peel rhubarb unless the stalks are exceptionally large and stringy. The skin provides a beautiful pink color and softens significantly during the baking process.

Is this cake very tart?

The cake itself is sweet and buttery, which balances the natural tartness of the rhubarb. It results in a pleasantly tangy flavor rather than an overwhelming sourness.

Can I make this recipe gluten-free?

Yes, you can substitute the all-purpose flour with a high-quality 1:1 gluten-free flour blend. Ensure the blend contains xanthan gum for the best structural results.