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Cinnamon Streusel Coffee Cake with Oatmeal Streusel Topping

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5 from 1 review

This cinnamon streusel coffee cake is the perfect cake to enjoy for breakfast with a cup of coffee. It’s thick, moist and has the most delicious crunchy streusel topping. It’s drizzled with a coffee powdered sugar glaze to create the most delicious cinnamon streusel coffee cake recipe. 

Ingredients

Scale

The cake

  • 1/3 cup vegetable oil
  • 2/3 cup granulated sugar
  • 1 large egg
  • 2 cups all purpose flour
  • 2 tsp baking powder
  • Pinch of salt
  • 2/3 cup milk
  • 1/4 cup sour cream

Cinnamon brown sugar streusel filling

  • 2 tbsp butter, melted
  • 1/2 tbsp cinnamon
  • 1/4 cup flour
  • 1/4 cup packed brown sugar

Oatmeal streusel topping

  • 4 tbsp. butter, melted
  • 1/2 cup flour
  • 1/4 cup firmly packed brown sugar
  • 1/2 tbsp cinnamon
  • 1/3 cup old fashioned oats

Glaze

  • 1/4 cup powdered sugar
  • 1/21 tbsp. milk
  • 1/41/2 tsp. coffee powder

Instructions

The cake

  1. Preheat oven to 350 F. Grease 8×8 inch pan.
  2. Stir flour, baking powder and a pinch of salt. Set aside.
  3. To a mixer bowl, add egg, oil and sugar. Beat until combined.
  4. Add the milk and sour cream Beat until combined and smooth.
  5. Add the flour mixture. Beat until JUST combined. Do not over mix.

Cinnamon brown sugar streusel filling

  1. Stir brown sugar, flour, cinnamon and melted butter until mixture resembles small crumbs.

Oatmeal topping

  1. Stir flour, brown sugar, oats, cinnamon and melted butter until mixture resembles small crumbs.

Assembly

  1. Spoon half of the cake batter into prepared pan. Sprinkle with cinnamon brown sugar streusel filling. Carefully spread the rest of the cake batter over the filling. Sprinkle with oatmeal topping. 
  2. Bake for 35-40 minutes or until topping is golden brown and toothpick inserted comes out clean. Cool until warm before drizzling with glaze. 
  3. In a small bowl combine all glaze ingredients. Whisk until smooth. Adjust the milk and powdered sugar to the consistency of your liking. Drizzle over cake.