01 -
Turn your oven to 425°F (220°C) and leave a 10-inch oven-friendly pan, like a cast iron skillet, inside to warm as you prep the rest.
02 -
Combine the eggs, flour, milk, vanilla, sugar, lemon zest, and salt in a bowl. Whisk until everything’s smooth and lump-free. The batter should be pretty thin.
03 -
Grab the hot skillet carefully with mitts. Toss in the butter and move it around until the whole bottom and sides are coated when melted.
04 -
After the butter's spread, pour the batter straight into the hot skillet. Quickly scatter the blueberries across the batter surface evenly.
05 -
Pop the pan back in the oven and bake for about 20-25 minutes. Look for big, puffy edges that turn golden brown while the middle stays tender.
06 -
Use mitts to take the Dutch baby out of the oven. It'll puff a lot but shrink down as it cools. Dust with powdered sugar and enjoy warm. Add syrup or curd if you'd like.