Blueberry Coffee Cake

Ingredients
Streusel Topping:
- 6 tablespoons (packed) light brown sugar
- ½ cup all-purpose flour
- 1 teaspoon ground cinnamon
- ¼ teaspoon salt
- 4 tablespoons unsalted butter, cold, cut into ½-inch chunks
Cake:
- 2 cups all-purpose flour
- 2 teaspoons baking powder
- ½ teaspoon salt
- ½ cup (1 stick) unsalted butter, softened
- ¾ cup granulated sugar
- 2 large eggs
- 1½ teaspoons vanilla extract
- 1 teaspoon (packed) lemon zest
- ½ cup milk
- 2 cups fresh blueberries (frozen acceptable, unthawed)
Instructions
- Make the streusel topping: Combine brown sugar, flour, cinnamon, and salt in a small bowl. Mix with fingers until no lumps of brown sugar remain. Rub in cold butter with fingertips until crumbly. Refrigerate until ready to use.
- Preheat oven to 375°F and grease a 9-inch square pan.
- Whisk together flour, baking powder, and salt; set aside.
- Beat softened butter and granulated sugar until creamy, about 2 minutes.
- Add eggs one at a time, scraping bowl and beating well after each addition.
- Beat in vanilla extract and lemon zest.
- Gradually add flour mixture alternating with milk on low speed.
- Fold in blueberries gently until distributed; avoid over-mixing.
- Transfer batter to prepared pan and spread evenly.
- Sprinkle streusel topping evenly over batter.
- Bake 40-45 minutes until golden brown and a cake tester comes out clean.
- Cool in pan on rack about 20 minutes before serving.
Attribution
Recipe from Once Upon a Chef
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