Japanese Soufflé Pancakes

Ingredients

1 cup bleached cake flour (about 3 3/4 ounce) (such as Swans Down)
1 teaspoon baking powder
1/2 teaspoon kosher salt
6 large egg yolks, chilled
1/2 cup whole milk
1 tablespoon vanilla extract
8 large egg whites, chilled
1 teaspoon fresh lemon juice
1/2 cup granulated sugar
Unsalted butter, for greasing griddle and serving
1/2 cup water, divided
Disposable aluminum lasagna pan (13 x 9 inches with a depth of at least 3 1/2 inches)
Pure maple syrup and powdered sugar, for serving