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Browned Butter Sourdough Apple Cake with Discard

This browned butter sourdough apple cake is cozy, moist, and full of fall flavor. Made with sourdough discard and topped with a rich browned butter crumb, it's the perfect autumn treat for using up extra starter.

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Equipment

  • springform pan

Ingredients

  • 12 tbsp unsalted butter (1 ½ sticks) divided between crumble and cake once browned

Browned Butter Crumble

  • 1 cup all purpose flour
  • ½ cup brown sugar
  • ¼ cup granulated sugar
  • 1 tsp ground cinnamon
  • ½ tsp salt
  • cup browned butter

For the Cake

  • ¾ cup brown sugar
  • 2 eggs
  • ½ cup sourdough discard
  • 1 ½ cup all purpose flour
  • 1 tsp baking powder
  • ½ tsp baking soda
  • 1 tsp ground cinnamon
  • ¼ tsp salt
  • ¼ cup milk
  • 2 medium apples peeled and diced

Instructions

  • Add butter to a skillet and cook over medium-low temperature until the butter browns. Cool. You will use a portion for both the cake and crumb topping.
  • Preheat oven to 350°F and grease an 9-inch springform pan with butter.
  • Prepare the crumble topping by adding 1 cup flour,1/2 cup brown sugar, 1/4 cup sugar, 1 tsp cinnamon, and 1/2 tsp salt to a bowl and combine. Add 1/3 cup of browned butter and mix it together with a fork and set it aside.
  • Peel and chop the apples into small pieces per your preference
  • In a stand mixer using the paddle attachment, cream the rest of the browned butter and ¾ cup brown sugar/4 cup of brown sugar until fluffy. Add 2 eggs and then mix in 1/2 cup sourdough discard.
  • Next add 1 1/2 cups flour,1 tsp baking powder, 1/2 tsp baking soda, 1 tsp cinnamon, and 1/4 tsp salt. Mix well and then pour in 1/4 cup of milk.
  • Fold in apples by hand.
  • Fill the greased springform pan with the cake batter and then top with the browned butter crumble.
  • Bake for an hour or until a toothpick comes out clean. 
  • Cool for an hour or more before removing from the springform pan and serving