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Apple streusel coffee cake on a white plate
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5 from 3 votes

Apple Streusel Coffee Cake

This yummy apple streusel or crumble coffee cake is so delicious and super easy to make. Serve it with vanilla ice cream or milk or however you like. If I can do it, you can do it. Let's get baking!
Prep Time20 mins
Cook Time30 mins
Cooling Time30 mins
Total Time1 hr 20 mins
Course: Cakes, Desserts
Cuisine: American, German
Keyword: crumbly, easy, soft, sweet
Servings: 8 people
Calories: 342kcal
Author: Matt Taylor


  • Bowls
  • Apple Peeler/Corer
  • Whisk
  • Spatula
  • 8x8 baking pan


  • 1 large egg
  • 1/2 cup buttermilk or use normal milk 120ml
  • 1/2 cup white granulated sugar 100g
  • 1/4 cup butter or oil 57g
  • 1 1/2 cups cake flour or all-purpose/plain flour 180g
  • 1/4 tsp. baking soda 1g leave it out if using normal milk
  • 1 tsp. baking powder 5g double it if using normal milk
  • 1/2 tsp salt
  • 1/2 tsp. cinnamon 1g
  • 3 medium apples or 2 large apples granny smith, fuji, gala, etc.

Streusel/Crumble Topping

  • 3 Tbsp. butter softened (45g)
  • 1/2 cup white granulated sugar 100g
  • 1/3 cup of all-purpose/plain flour 40g
  • 1 tsp. cinnamon 2g


  • Preheat the oven to 400 F/205 C. Wash, peel, core, and slice the apples into small chunks.
  • In a large bowl whisk together the egg, buttermilk, sugar, and melted butter. Melt the butter in the microwave or stovetop, until barely melted and not hot.
  • Sift together the flour, baking soda, baking powder, salt, and cinnamon and add it to the bowl of wet ingredients. You can whisk them together if you don't have a sifter.
  • Mix the dry ingredient in with the wet using a whisk. Then stir in the chopped apples. The batter is ready to go. Pour the batter into an 8x8 inch baking pan, or use a 10-inch round or even a springform pan that has been greased with shortening and floured or sprayed with cooking spray. Spread it out evenly with a spatula.
  • In a small bowl mix together softened butter, flour, sugar, and cinnamon with a fork until it is crumbly and resembles small chunks of damp sand.
  • Sprinkle the streusel topping evenly over the cake and bake it in the oven, middle rack position, for 25 to 30 minutes until a toothpick comes out clean when poked in the center. Once it comes out of the oven allow it to cool for 25 to 30 minutes.
  • Serve the cake with a scoop of vanilla ice cream, milk, etc. Enjoy!



Note: You can use normal milk if you like. If you do, leave out the baking soda, and double the amount of baking powder. 
You can also make a simple buttermilk substitute, by adding a teaspoon of lemon juice or white distilled vinegar to the half cup of milk. Stir it, then allow it to sit for about 10 minutes. 
Apple streusel coffee cake nutritional facts