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Cinnamon Swirl Coffee Cake - Soft lightly spiced coffee cake is filled with a gooey cinnamon swirl center and topped with a sweet streusel topping + vanilla glaze!

Cinnamon Swirl Coffee Cake

Soft vanilla-spiced cake is filled with a gooey cinnamon swirl center, topped with a thick layer of buttery streusel topping and a sweet vanilla glaze gets drizzled on top. This Cinnamon Swirl Coffee Cake is so perfect to enjoy with a cup of coffee!
Prep Time 20 mins
Cook Time 40 mins
Total Time 1 hr
Course Breakfast, Dessert
Servings 9 -12 pieces

Ingredients
  

Cake

  • 2 1/2 cup all-purpose flour
  • 2 tsp baking powder
  • 1/2 tsp baking soda
  • 1 tsp cinnamon
  • pinch salt
  • 4 tbs unsalted butter softened
  • 1/2 cup vegetable oil
  • 3/4 cup light brown sugar
  • 1/4 cup granulated sugar
  • 1/4 cup sour cream
  • 2 eggs
  • 1 tbs vanilla extract
  • 2/3 cup milk

Cinnamon Swirl

  • 1/2 cup light brown sugar
  • 1 tbs cinnamon

Streusel Topping

  • 1/3 cup light brown sugar
  • 1/3 cup granulated sugar
  • 1 1/2 cup all-purpose flour
  • 1/4 tsp cinnamon
  • pinch salt
  • 1/2 cup + 2 tbs unsalted butter melted

Vanilla Glaze

  • 1 cup confectioner's sugar
  • 1/2 tsp vanilla extract
  • 3-5 tbs milk

Instructions
 

  • Preheat oven to 350 degrees and arrange rack to the center of the oven. Line a 9x9 pan with parchment paper and set aside. Do NOT use an 8x8 pan.
  • In a large bowl, whisk flour, baking powder, baking soda, cinnamon and salt together very well.
  • In a separate bowl, beat, butter, vegetable oil, and both sugars until smooth. Add sour cream, eggs and vanilla and mix until combined. Add flour gradually and mix until smooth. Pour in milk and beat again until just incorporated as you do not want to over-mix the batter.
  • For the filling, whisk brown sugar and cinnamon together in a small bowl. Pour half of the batter into prepared pan and top with filling mixture in an even layer. Spread the remaining batter on top of the filling. Set aside while you make the topping.
  • For the topping, toss both sugars, flour, cinnamon and salt together in a large bowl. Stir in melted butter until crumbly. It will still be wet but you will be able to break it up into smaller pieces. If for some reason it won't crumble, add another tablespoon of flour to the mixture. Crumble the topping over the batter in the pan into an even layer. Bake for 35-40 minutes OR until a toothpick inserted in the center comes out clean.
  • While cake is cooling, prepare glaze. In a small bowl, combine confectioner's sugar, vanilla and milk until smooth. Add more or less milk for your desired thickness - I like mine on the thicker side so it doesn't melt into the cake. Drizzle onto cooled cake.