This blackberry crumb cake is soft and buttery with cream cheese filling and brown sugar cinnamon streusel!

Blackberry Cream Cheese Crumb Cake

Prep Time: 35 minutes

Cook Time: 65 minutes

Total Time: 4 hours, 35 minutes

Ingredients

• 1/2 cup (115g) unsalted butter, softened to room temperature
• 1 cup (200g) granulated sugar, divided
• 2 large eggs, at room temperature
• 2 teaspoons pure vanilla extract
• 1/2 cup (120g) full-fat sour cream, at room temperature
• 1 and 1/3 cups (166g) all-purpose flour (spoon & leveled)
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1 heaping cup (125g) fresh or frozen blackberries (do not thaw)
• one 8-ounce block cream cheese, softened to room temperature

Crumb Topping

• 1/3 cup (67g) packed dark or light brown sugar
• 1/2 (62g) cup all-purpose flour (spoon & leveled)
• 1 and 1/2 teaspoons ground cinnamon
• 3 Tablespoons (43g) unsalted butter, cold and cubed

Instructions

1. Preheat oven to 350°F (177°C). Grease and lightly flour a 9 or 10-inch springform pan.
2. Make the cake: Using a handheld or stand mixer fitted with a paddle attachment, beat the butter and 3/4 cup granulated sugar together on high speed until creamy and combined, about 2 minutes. On medium-high speed, add 1 egg at a time, beating well after each addition. Beat in the vanilla extract and sour cream. Scrape down the sides and up the bottom of the bowl with a rubber spatula as needed. Add the flour, baking powder, baking soda, and salt. Turn the mixer on low speed and beat until completely combined. Using a rubber spatula or wooden spoon, fold in the blackberries.
3. Spread the batter into the prepared pan. Set aside.
4. Using a handheld or stand mixer fitted with a paddle attachment, beat the cream cheese and remaining 1/4 cup granulated sugar together until combined. Spoon and spread over cake batter. It’s a thick cream cheese topping, so do your best to spread around. Set aside.
5. Make the crumb topping: Combine the brown sugar, flour, and cinnamon together in a medium bowl. Cut in the chilled butter with a pastry blender or two forks (or even with your hands) until the mixture resembles pea sized crumbs. Sprinkle evenly over cream cheese layer.
6. Bake the cake for 60-65 minutes or until it no longer jiggles in the center. A toothpick inserted in the center should come out *mostly* clean. A few moist crumbs are ok. I like to loosely cover the top of the cake with aluminum foil at the 30 minute mark to prevent over-browning.
7. Allow the cake to cool completely before slicing and serving. I like to place it in the refrigerator after 30 minutes of cooling at room temperature. This speeds things up.
8. Slice and serve. Store leftovers in the refrigerator.

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