Step 1

Preheat the oven to 425 degrees. Spritz an 18x13 rimmed baking sheet with non-stick spray.

Step 2

Whisk together the flour, sugar, baking powder, cinnamon, and salt in a large bowl.

Step 3

Add the milk, eggs, butter, and vanilla to a small bowl and whisk to combine.

Step 4

Pour the wet ingredients into the dry and stir until just combined.

Step 5

Pour the batter into the prepared baking dish and smooth the top.

Step 6

Sprinkle with the blueberries.

Step 7

Bake for 15 minutes or until lightly golden on top and a toothpick comes out clean

Step 8

Cut into squares and serve with butter and maple syrup.