Decadent Chocolate Pecan Coffee Cake - Perfect Breakfast Treat - Taste Of Cook

Ingredients

• 1/2 cup firmly packed light brown sugar
• 1/2 cup pecans
• 1 teaspoon ground cinnamon
• 2 ounces chocolate, chopped
• 1/4 cup cake flour
• 1/4 cup unsweetened cocoa powder
• 4 tablespoons unsalted butter, cold and cubed
• 1/2 teaspoon espresso powder (enhances chocolate flavor)
• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 1/2 sticks (12 tablespoons) unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs, at room temperature
• 2 teaspoons vanilla extract
• 1 container (5.3 ounces) Greek yogurt (vanilla flavor recommended)
• 1/3 cup buttermilk