Blackberry Lemon Coffee Cake - Dinner Bell Creamery

Ingredients

• 1 cup all-purpose flour
• 1/2 cup granulated sugar
• 1/2 cup light brown sugar
• 1/4 teaspoon salt
• 1 tablespoon ground cinnamon
• 6 tablespoons unsalted butter, melted and cooled
• 3 3/4 cup all-purpose flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 3/4 cup (1 1/2 sticks) butter, softened
• 1 1/2 cups granulated sugar
• 1/3 cup light brown sugar
• 3 large eggs
• 2 teaspoons vanilla extract
• 1 tablespoon fresh lemon zest
• 2 tablespoons fresh lemon juice
• 1 1/4 cups buttermilk
• 3/4 cup sour cream
• 2 pints black berries