Roasted Chicken Gyros with Tzatziki and Feta Fries

lbs Chicken breasts, boneless skinless

Garlic clove

Marjoram, fresh

Russet potatoes, medium

Lemon juice, fresh

Cayenne pepper

Kosher salt and black pepper

Paprika, smoked

Olive oil, extra virgin

Pitas or naan bread, fresh

Feta cheese

Greek yogurt, plain full-fat

Tzatziki, pickled onions, radish, and lettuce, for serving