Char the poblano peppers all over by placing the peppers on stovetop burners or under a hot broiler until black, turning frequently. (cookingchanneltv.com)
Depending on how strong your stovetop burner is you may need to reduce the heat to medium or medium low to prevent the onions from burning or drying out. (simplyrecipes.com)
Turn up your stovetop burner to high so that it will be very hot by the time you add the eggs. (coffeeandquinoa.com)