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Detailed view of a Brown Butter Apple Crumble Cake slice, highlighting the texture of the crumble and cooked apples.

Brown Butter Apple Crumble Cake

A deliciously moist cake layered with spiced apple filling and topped with a buttery crumble, perfect for cozy gatherings.
Prep Time 30 minutes
Cook Time 50 minutes
Total Time 1 hour 20 minutes
Course Dessert
Cuisine American
Servings 8 pieces
Calories 450 kcal

Ingredients
  

Cake Batter

  • 2 cups all-purpose flour
  • 2 tsp baking powder
  • 0.5 tsp baking soda
  • 0.5 tsp salt
  • 0.5 cup salted butter
  • 0.75 cup granulated sugar
  • 0.25 cup brown sugar, light or dark
  • 0.5 cup Greek yogurt or sour cream at room temperature
  • 2 eggs eggs at room temperature
  • 2 tbsp olive oil or oil of choice
  • 2 tbsp milk of choice at room temperature
  • 2 tsp vanilla bean paste or extract

Apple Filling

  • 4 medium apples apples peeled and sliced thin (~600g)
  • 0.5 cup light brown sugar
  • 4 tbsp maple syrup
  • 2 tsp cinnamon
  • 1 tsp apple pie spice (optional)
  • a pinch salt large pinch of salt
  • 1 tbsp cornstarch
  • 2 tbsp water for slurry
  • 1 tsp vanilla bean paste or extract

Crumb Topping

  • 1 cup all-purpose flour
  • 0.75 cup brown sugar, light or dark
  • 2 tsp cinnamon
  • a pinch salt Large pinch of salt
  • 6 tbsp salted butter at room temperature

Additional Toppings

  • 1 cup maple syrup
  • 3 tbsp smooth, creamy almond butter
  • 2 tbsp avocado oil or melted coconut oil
  • a pinch salt Large pinch of salt

Instructions
 

  • Preheat oven to 350°F (175°C). Prepare pan with butter and parchment.
  • Cook brown butter until deep golden and nutty, then cool. Simultaneously, cook apples with sugar, syrup, spices, and salt until soft. Thicken with cornstarch slurry and cool.
  • Mix dry ingredients for crumb topping, then chill. Combine wet ingredients for cake batter, fold in dry, pour into pan, then top with apple filling and crumble. Bake for 45-50 minutes.
  • Cool slightly, then serve warm with caramel, ice cream, and sea salt if desired.

Notes

For best results, use firm apples like Granny Smith and ensure all ingredients are at room temperature.
Keyword apple, cake, crumble