Rhubarb Cake with Butter Sauce: A Deliciously Tangy Dessert Delight

Rhubarb Cake with Butter Sauce is a perfect balance of sweet and tart flavors in every bite. This moist and tender cake is infused with chunks of fresh rhubarb, providing a burst of flavor and texture with each slice. This dessert, drizzled with a rich and decadent butter sauce, will impress with its irresistible flavor combination. Whether served warm with a scoop of vanilla ice cream or on its own, this Rhubarb Cake with Butter Sauce will leave you wanting more.


For the Rhubarb Cake:

  • 2 cups diced rhubarb
  • 1 1/2 cups granulated sugar
  • 1/2 cup unsalted butter, softened
  • 1 egg
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 cup buttermilk

For the Butter Sauce:

  • 1/2 cup unsalted butter
  • 1 cup granulated sugar
  • 1/2 cup heavy cream
  • 1 teaspoon vanilla extract


For the Rhubarb Cake:

  1. Preheat the Oven and Prepare the Pan:
  • Preheat your oven to 350°F (175°C). Grease and flour a 9×13-inch baking dish.
  1. Prepare the Rhubarb:
  • In a small bowl, toss the diced rhubarb with 1/2 cup of granulated sugar. Set aside.
  1. Cream the Butter and Sugar:
  • In a large mixing bowl, cream together the softened unsalted butter and remaining 1 cup of granulated sugar until light and fluffy.
  1. Add the Egg and Vanilla:
  • Beat in the egg and vanilla extract until well combined.
  1. Combine Dry Ingredients:
  • In a separate bowl, whisk together the all-purpose flour, baking soda, and salt.
  1. Alternate Adding Ingredients:
  • Gradually add the dry ingredients to the creamed butter mixture, alternating with the buttermilk. Beg in and end with the dry ingredients, mixing until just combined.
  1. Fold in Rhubarb:
  • Gently fold the diced rhubarb into the batter until evenly distributed.
  1. Bake the Cake:
  • Pour the batter into the prepared baking dish and spread it out evenly.
  • Bake in the preheated oven for 35-40 minutes, or until a toothpick inserted into the center of the cake comes out clean.

For the Butter Sauce:

  1. Prepare the Sauce:
  • In a small saucepan, melt the unsalted butter over medium heat.
  • Stir in the granulated sugar and heavy cream, stirring constantly until the sugar is dissolved and the mixture is smooth.
  1. Add Vanilla:
  • Remove the saucepan from the heat and stir in the vanilla extract.


  1. Serve Warm:
  • Once the cake is done baking, remove it from the oven and let it cool slightly.
  • Serve the Rhubarb Cake warm, drizzled with the warm Butter Sauce.
  1. Enjoy:
  • Enjoy each delicious bite of Rhubarb Cake with Butter Sauce, savoring the perfect balance of sweet and tangy flavors.

Rhubarb Cake with Butter Sauce is a delectable dessert that embodies the essence of spring with its tangy rhubarb flavor and rich butter sauce. This cake, whether served as a comforting treat on a chilly evening or as a sweet ending to a special meal, is sure to impress with its irresistible flavor and tender texture. So, indulge your sweet tooth and satisfy your senses with this delectable Rhubarb Cake with Butter Sauce today!