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Rhubarb Cake

Homestyle Rhubarb Cake

A nostalgic treat that brilliantly balances the tartness of rhubarb with a sweet, tender crumb and cinnamon crumble topping. Perfect with afternoon tea or as a delightful dessert option.
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Course: Dessert, Snack
Cuisine: American, Homestyle
Keyword: Rhubarb Cake, Fruit Cake, Crumb Cake, Homestyle Cake, Buttermilk Cake
Prep Time: 20 minutes
Cook Time: 50 minutes
Cooling Time: 20 minutes
Total Time: 1 hour 30 minutes
Servings: 12 slices
Calories: 320kcal

Equipment

  • 9x13 inch Baking Pan
  • Mixing bowls
  • Whisk

Ingredients

Cake Batter

  • cups all-purpose flour substitute with 1:1 gluten-free flour blend if needed
  • 1 cup granulated sugar can use coconut sugar for a deeper flavor profile
  • 1 tsp baking soda
  • ½ tsp salt
  • 1 cup buttermilk or 1 cup milk with 1 tablespoon lemon juice
  • cup vegetable oil or melted coconut oil for a subtle fragrance
  • 2 large eggs room temperature
  • 1 tsp pure vanilla extract
  • 3 cups fresh rhubarb chopped into ½-inch pieces (frozen works too, just don't thaw)

Crumb Topping

  • cup brown sugar packed
  • ¼ cup granulated sugar
  • 1 tsp ground cinnamon
  • ¼ tsp salt
  • ½ cup unsalted butter melted
  • cups all-purpose flour

Instructions

  • Preheat your oven to 350°F (175°C) and position the rack in the middle. Grease and flour a 9x13 inch baking pan, or line with parchment paper with overhanging sides for easy removal.
  • Wash the rhubarb stalks thoroughly and trim off the leaves (these contain oxalic acid and are toxic). Cut the stalks into ½-inch pieces. If your rhubarb is particularly stringy, you can pull off the longer fibers as you would with celery.
  • In a large bowl, whisk together the flour, sugar, baking soda, and salt until well combined.
  • In a separate bowl, whisk together the buttermilk, oil, eggs, and vanilla extract until smooth.
  • Pour the wet ingredients into the dry ingredients, stirring just until combined. Be careful not to overmix – stop when no dry flour pockets remain. Fold in the chopped rhubarb gently.
  • Mix all topping ingredients in a bowl until combined and crumbly. The mixture should clump when pressed together but still be easy to sprinkle.
  • Pour the batter into the prepared pan, spreading it evenly. Sprinkle the crumb topping uniformly over the batter.
  • Bake for 45-50 minutes, or until a toothpick inserted in the center comes out clean with just a few moist crumbs.
  • Allow the cake to cool in the pan for at least 20 minutes before serving. This cooling period allows the structure to set and flavors to meld.

Notes

For a healthier version, you can replace half the all-purpose flour with whole wheat pastry flour, reduce the sugar to ¾ cup and add ¼ cup applesauce, or substitute Greek yogurt for buttermilk.
This cake can be stored covered at room temperature for 2-3 days, refrigerated in an airtight container for up to 5 days, or frozen for up to 3 months.
The cake actually improves in flavor after a day as the flavors meld together.

Nutrition

Calories: 320kcal | Carbohydrates: 48g | Protein: 4g | Fat: 12g | Saturated Fat: 5g | Cholesterol: 48mg | Sodium: 220mg | Fiber: 1.5g | Sugar: 26g
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