Cinnamon Crunch Coffee Cake - Life:Beautiful Magazine

Ingredients

• STREUSEL TOPPING
• ½ cup granulated sugar
• ½ cup packed dark brown sugar
• ½ cup all-purpose flour
• 1 tsp ground cinnamon
• ¼ cup salted butter, melted
• SPICED WALNUT FILLING
• 1 ¼ cups chopped toasted walnuts
• 3 tbsp packed dark brown sugar
• 2 tsp ground cinnamon
• ¼ tsp ground cloves
• ¼ tsp ground nutmeg
• CAKE BATTER
• 2 ⅓ cups all-purpose flour
• 1 tsp baking powder
• ½ tsp baking soda
• 1 tsp salt
• 1 ¾ cups granulated sugar
• 1 cup salted butter, softened
• 3 large eggs, at room temperature
• 1 (8-ounce) container of sour cream
• 2 tsp vanilla extract