- 1 cup whole milk, at room temperature
- 2/3 cup all-purpose flour
- 8 tablespoon unsalted butter, melted and divided
- 1/2 cup sugar
- 3 large eggs, at room temperature
- 1 teaspoon vanilla extract
- 1/4 teaspoon salt
- finely grated zest of 1 lemon
- 2 cup fresh blueberries, rinsed and patted dry
- confectioners’ sugar, optional
- Position rack in center of oven and preheat to 400 degrees F. Place 3 quart shallow gratin dish (such as the oval Le Creuset in the image) or a 10-inch pie plate in the oven with 2 tablespoons of the melted butter to preheat along with oven (but keep an eye on the butter so that it doesn’t burn).
- Place milk, flour, 6 tablespoons of the melted butter, sugar, eggs, vanilla, salt, and lemon zest in blender and buzz on high until very well blended.
- Remove hot pan from oven, swirl around to coat pan with melted butter, pour in batter then sprinkle berries evenly over all.
- Bake for about 20 to 25 minutes or until puffed, golden and the set. A toothpick will test clean. Serve immediately or it can sit up to 20 minutes and be served warm.