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Rhubarb Cake with Butter Sauce

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This rhubarb cake with butter sauce combines the tartness of fresh rhubarb with a moist, sweet cake and a rich, creamy butter sauce. Perfect for spring gatherings or cozy evenings, it’s a simple yet impressive dessert.

Ingredients

  • 2 cups chopped fresh rhubarb
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cups granulated sugar
  • 1 large egg
  • 1 cup buttermilk
  • 1 teaspoon vanilla extract
  • 1/2 cup unsalted butter, melted
  • For the butter sauce:
  • 1/2 cup unsalted butter
  • 1/2 cup heavy cream
  • 1 cup granulated sugar
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. In a bowl, whisk together the flour, baking soda, and salt.
  3. In a separate large bowl, cream the sugar and egg until light and fluffy.
  4. Mix in the buttermilk, vanilla extract, and melted butter to the sugar mixture.
  5. Gradually add the dry ingredients to the wet mixture, stirring just until combined.
  6. Fold in the chopped rhubarb.
  7. Pour the batter into the prepared baking dish and smooth the top.
  8. Bake for 45–50 minutes, or until the top is golden and a toothpick inserted into the center comes out clean.
  9. While the cake bakes, prepare the butter sauce by combining butter, heavy cream, and sugar in a saucepan over medium heat. Cook, stirring constantly, until the sugar dissolves and the mixture is smooth (about 5–7 minutes).
  10. Remove the sauce from heat and stir in vanilla extract.
  11. Serve the cake warm, drizzled generously with butter sauce.

Notes

  • Use half rhubarb and half strawberries for a sweeter variation.
  • Substitute buttermilk with 1 cup milk mixed with 1 tablespoon lemon juice or vinegar.
  • A pinch of cinnamon or nutmeg adds warm spice to the cake.
  • Store leftovers in the fridge for up to 4 days.
  • Reheat individual cake slices and sauce separately before serving.

Nutrition

Find it online: https://recipesbyliza.com/rhubarb-cake-with-butter-sauce/