Blueberry Muffin Bars

Instructions

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1. 1 Gather all ingredients. Preheat the oven to 350 degrees F (175 degrees C). Lightly grease a 10x15-inch baking pan with cooking spray.
2. 2 Prepare oat streusel topping: stir oats, flour, brown sugar, and cinnamon together in a large bowl. Cut in butter with a pastry blender until the mixture is crumbly. Set aside.
3. 3 For bars. whisk flour, baking powder, baking soda, and salt together in a bowl.
4. 4 Whisk together white sugar and oil in a large bowl until well combined. Whisk in milk, eggs, and vanilla extract.
5. 5 Stir flour mixture into egg mixture until just combined.
6. 6 Gently fold in blueberries.
7. 7 Spread batter evenly into the prepared pan.
8. 8 Sprinkle streusel topping evenly over batter.
9. 9 Bake in the preheated oven until a toothpick inserted into the center comes out clean, 25 to 28 minutes.
10. 10 Let bars cool in the pan on a wire rack 20 to 30 minutes before slicing and serving Recipe developed by Barrett Heald