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Streusel Coffee Cake

Sour Cream Streusel Coffee Cake Recipe

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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 9 servings
Calories: 410
Ingredients Method Notes

Ingredients
  

  • 2 cups (250 g) all-purpose flour, spooned and leveled
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp fine sea salt
  • 1/2 cup (115 g) unsalted butter, softened
  • 3/4 cup (150 g) granulated sugar
  • 2 large eggs, at room temperature
  • 1 1/2 tsp vanilla extract
  • 1 cup (240 g) full-fat sour cream
  • Streusel: 1 1/2 cups (190 g) all-purpose flour, 1 cup (200 g) packed light brown sugar, 2 tsp ground cinnamon, 1/2 cup (115 g) cold unsalted butter, cut into small cubes

Method
 

  1. Mix the streusel: combine flour, brown sugar, and cinnamon; cut in cold butter until crumbly. Set aside.
  2. Whisk the dry ingredients: flour, baking powder, baking soda, and salt.
  3. Cream softened butter and granulated sugar until fluffy. Add eggs one at a time, then vanilla.
  4. Mix in the dry ingredients and sour cream alternately, starting and ending with flour. Stir just until combined.
  5. Preheat oven to 350°F (175°C). Grease an 8x8 inch pan. Spread half the batter, half the streusel, remaining batter, and remaining streusel.
  6. Bake 45 to 50 minutes until golden and a toothpick has moist crumbs. Cool in pan 15 minutes.
  7. Slice into 9 squares and serve warm, dusted with powdered sugar if you like.

Notes

The cake slices cleanest after cooling completely, but waiting is hard. If you line the pan with parchment, you can lift the whole cake out easily. A light press on the streusel before baking helps it stick and stay put when you cut.