Pioneer woman blueberry coffee cake is a delicious treat, great for breakfast, or just a light dessert to bring to a family dinner. The pastry is constructed with buttery pastry dough and filled with blueberry.
Preheat the oven to 350 degrees Fahrenheit. Butter a 9-by-13-inch baking pan.
Mix the flour, baking powder, cinnamon, and salt in a medium bowl. Combine well.
Combine the butter and sugar with an electric mixer. Add the egg and mix well.
Pour in the vanilla. Add the flour mixture and milk alternately and mix well until well combined. Be careful not to overmix.
Add the blueberries and stir until they are evenly distributed. Pour the batter into the pan.
Mix together the flour, sugar, butter, cinnamon, and salt in a medium bowl, and use a pastry cutter or two knives to cut together. Add to the batter and stir well.
Place the pan in the oven and Bake for 40 to 45 minutes or until golden brown. Dust with sugar. Cut into squares and serve with softened butter.