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Rhubarb Coffee Cake Recipe

4.9 from 91 reviews

This Rhubarb Coffee Cake features a moist and tender base layered with tart fresh rhubarb and topped with a buttery, cinnamon-spiced crumb topping. Perfect for breakfast, brunch, or afternoon tea, it pairs beautifully with a cup of coffee or a scoop of vanilla ice cream.

Ingredients

Scale

Cake Batter

  • 1 cup salted butter, room temperature
  • 1 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 4 large eggs
  • 3 cups all-purpose flour
  • 2 1/2 teaspoons baking powder (aluminum free)
  • 1 pinch of salt
  • 1/2 cup 2% milk

Rhubarb Layer

  • 5 1/2 cups sliced fresh rhubarb (sliced 1/4 inch thick)

Crumb Topping

  • 1 1/2 cups all-purpose flour
  • 1/2 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1 pinch of salt
  • 1/4 teaspoon ground cinnamon
  • 3/4 cup salted butter, cold and cut into cubes

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C) and grease or spray a 9×13-inch baking dish with cooking spray to prevent sticking.
  2. Mix Batter: In the bowl of a stand mixer fitted with a paddle attachment, cream together 1 cup of room-temperature salted butter, 1 cup granulated sugar, 1 teaspoon vanilla extract, and 4 large eggs. Beat for 3-4 minutes on medium speed until fully combined and fluffy.
  3. Combine Dry Ingredients and Milk: In a separate bowl, whisk together 3 cups of all-purpose flour, 2 1/2 teaspoons baking powder, and a pinch of salt. With the mixer running on low speed, alternately add the flour mixture and 1/2 cup of 2% milk in two portions each. Mix until just combined; avoid overmixing to maintain cake tenderness.
  4. Layer Rhubarb: Pour the batter evenly into the prepared baking dish. Evenly spread 5 1/2 cups of sliced fresh rhubarb over the batter layer.
  5. Prepare Crumb Topping: In a medium bowl, combine 1 1/2 cups flour, 1/2 cup granulated sugar, 1 teaspoon vanilla extract, a pinch of salt, and 1/4 teaspoon ground cinnamon. Cut in 3/4 cup cold, cubed salted butter using forks or a pastry cutter until the mixture resembles coarse crumbs. Sprinkle the crumb mixture evenly over the rhubarb layer.
  6. Bake: Bake in the preheated oven for 45-50 minutes, or until a toothpick inserted into the center comes out clean. Allow the cake to cool before serving to let the flavors meld.
  7. Serve: Serve warm or at room temperature with whipped cream or vanilla ice cream for an indulgent touch.

Notes

  • Ensure the rhubarb is sliced uniformly about 1/4 inch thick for even cooking.
  • Use room temperature butter and eggs for better creaming in the batter.
  • Do not overmix the batter once the flour is added to keep the cake light and fluffy.
  • The crumb topping can be refrigerated and prepared ahead of time.
  • Adjust sugar slightly depending on the tartness of rhubarb to balance flavors.
  • Leftover cake keeps well covered at room temperature for 2 days or refrigerated for up to 4 days.

Keywords: rhubarb coffee cake, rhubarb dessert, crumb topping coffee cake, homemade coffee cake, breakfast cake, tart rhubarb recipe