To roast peppers, you may either roast them in your oven under the broil until they are blackened and blister or heat your gas stove to medium-high heat. You may also fry the peppers in oil that's been heated to about 360 degrees Fahrenheit.
After the peppers are roasted, cool and clean the blistered skin with a towel. Slit peppers lengthwise down the middle and remove all the seeds and veins.
Fill pepper with choice of seasoned meat or picadillo. Jacala makes their picadillo using ground meat, chopped tomatoes, onions, some chopped poblano pepper, and seasoned with garlic powder, comino, salt and pepper.
Season each pepper with salt and pepper, then dredge in flour. Set aside.
Using a stand mixer, whip 3 room temperature egg whites until white and frothy and blend in the egg yolks. Dip peppers in mixture.
Heat oil to at least 360 degrees Fahrenheit. Dip stuffed pepper in to the mix and carefully fry both sides in the oil, until just golden, or about 3 to 5 minutes per side. Remove peppers and set aside.