Indulge in this delicious Peach Blackberry Coffee Cake Delight, perfect for breakfast or a sweet afternoon snack! This moist cake combines fresh peaches and blackberries with a buttery base, topped with a crunchy streusel made with cinnamon and nuts. Easy to make, this delightful treat will impress your family and friends. Bake it up in just an hour and enjoy the seasonal flavors. Don't forget to grab a slice with your morning coffee!
1 ½ cups all-purpose flour
½ teaspoon baking powder
½ teaspoon baking soda
¼ teaspoon salt
½ cup unsalted butter, softened
1 cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
½ cup sour cream
1 cup fresh peaches, peeled and diced
1 cup fresh blackberries
For the Streusel Topping:
⅓ cup all-purpose flour
⅓ cup brown sugar, packed
½ teaspoon ground cinnamon
¼ cup cold butter, cubed
½ cup chopped pecans or walnuts (optional)