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Rhubarb Custard Cake 2026 04 01 174534 1

Rhubarb Custard Cake


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  • Author: mateo
  • Total Time: 75 minutes
  • Yield: 8 servings
  • Diet: Vegetarian

Description

A warm, comforting cake featuring tart rhubarb and a silky custard layer, perfect for fall baking.


Ingredients

  • 1 1/2 cups (190 g) all-purpose flour
  • 1/2 cup (100 g) granulated sugar (for the cake)
  • 1/4 cup (50 g) brown sugar (optional, for depth)
  • 2 tsp baking powder
  • 1/4 tsp fine salt
  • 1/2 cup (115 g) unsalted butter, softened
  • 2 large eggs, room temperature
  • 1/2 cup (120 ml) milk
  • 1 tsp vanilla extract
  • 2 cups chopped rhubarb (about 3-4 stalks)
  • 1/2 cup (100 g) granulated sugar (for rhubarb)
  • 2 cups (480 ml) milk (for custard)
  • 3 large eggs (for custard)
  • 1/3 cup (65 g) sugar (for custard)
  • 1 tbsp cornstarch
  • 1 tsp vanilla extract (for custard)


Instructions

  1. Preheat oven to 350°F (175°C). Grease and line a 9-inch springform or cake pan.
  2. Toss chopped rhubarb with 1/2 cup sugar and let sit 10 minutes while you mix the batter.
  3. In a bowl, whisk flour, baking powder, and salt.
  4. In a separate bowl, cream softened butter with 1/2 cup sugar until light. Add eggs one at a time, then vanilla.
  5. Alternate adding dry ingredients and 1/2 cup milk, beginning and ending with dry ingredients. Mix until just combined.
  6. Spoon half the batter into the prepared pan and spread evenly.
  7. Scatter the sugared rhubarb over the batter in a single layer.
  8. Drop spoonfuls of remaining batter over the rhubarb and gently spread to cover.
  9. Whisk milk, eggs, 1/3 cup sugar, cornstarch, and vanilla until smooth.
  10. Pour custard evenly over the cake batter and rhubarb.
  11. Bake for 45–55 minutes, or until the custard is set at the center.
  12. Let cool on a rack, then chill at least 2 hours to fully set the custard before slicing.

Notes

For extra tips on custard texture and variations like a streusel topping, see the article for more details.

  • Prep Time: 20 minutes
  • Cook Time: 55 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American