01 -
Preheat broiler and position rack 15 cm from the heating element. Arrange poblano peppers on a foil-lined baking sheet. Broil for 10 to 15 minutes, rotating occasionally with tongs, until skins are blistered and blackened. Transfer peppers to a plastic bag or covered bowl; allow to steam for 10 minutes.
02 -
Peel charred skins from steamed peppers. Remove stems and discard seeds. Set prepared peppers aside.
03 -
Preheat oven to 175°C. Lightly coat a 2.8-litre baking dish with nonstick cooking spray.
04 -
Arrange half of the prepared poblano peppers in an even layer in the baking dish. Sprinkle with 1 cup Monterey Jack and 0.5 cup cheddar cheese. Repeat layering with remaining peppers and cheeses.
05 -
In a medium bowl, whisk together eggs, milk, flour, baking powder, onion powder, garlic powder, salt, and black pepper until smooth and thoroughly combined.
06 -
Pour egg mixture evenly over layered peppers and cheese. Bake for approximately 45 minutes, or until the surface is golden and the centre is set.
07 -
Allow casserole to rest for 5 to 10 minutes before slicing. Garnish with sour cream, salsa, and fresh chopped cilantro if desired.