Piperies Gemistes me Feta may be Greek to you and me, but to a Greek, it means "Greek Peppers Stuffed with Feta." Because they're broiled, not battered and fried, these stuffed peppers are somewhat healthier than traditional chiles rellenos. Read the entire article about chiles rellenos here.
The word capon translates as "castrated" but in this case merely means seedless. Yes, dried chiles such as anchos and pasillas can be stuffed, but they must be softened in hot water first. They have an entirely different flavor than their greener, more vegetable-like versions.