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Warm Rhubarb Cake with Butter Sauce – Moist, Tender & Comforting Spring Dessert

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Tender rhubarb cake topped with a rich warm butter sauce. Simple ingredients make a sweet, springtime dessert that’s perfect for serving with ice cream, whipped cream, or fresh berries.

  • Total Time: 60-80 minutes
  • Yield: 12-16 servings

Ingredients

  • For the cake: 2 cups granulated sugar, 6 tbsp unsalted butter (melted), 2 cups milk, 4 tsp baking powder, 1/2 tsp salt, 4 cups all-purpose flour, 4 cups rhubarb (1/2-inch pieces)
  • For the butter sauce: 1/2 cup unsalted butter, 3/4 cup whipping cream, 1 cup granulated sugar

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9 x 13 inch pan.
  2. Whisk together flour, sugar, baking powder, and salt.
  3. Add rhubarb, milk, and melted butter; stir until just combined.
  4. Pour batter into prepared pan and bake 45 minutes until toothpick comes out clean. Cool slightly.
  5. Prepare butter sauce: combine butter, sugar, and cream in saucepan, bring to boil over medium heat, stir frequently, boil 1 minute, remove from heat and cool slightly.
  6. Serve cake with warm butter sauce drizzled on top.

Notes

  • Use fresh or thawed, drained frozen rhubarb.
  • Don’t overmix batter to avoid dense cake.
  • Butter sauce can be reheated gently if cooled.
  • Freeze cake without sauce for up to 3 months; sauce can be made fresh.
  • Author: Emma
  • Prep Time: 15-20 minutes
  • Cook Time: 45-60 minutes
  • Category: Dessert
  • Method: Baked
  • Cuisine: American
  • Diet: Vegetarian