If making Tzatziki sauce, mix all ingredients together, cover and let sit in the fridge Add chopped bread, cream, and egg to a large mixing bowl and mix ingredients (bread will soak up the cream and egg)
Add salt, black pepper, oregano, thyme, marjoram, rosemary, cumin, crushed red peppers, and mix ingredients
Add ground hamburger and lamb, mixing all ingredients very well (you can use a food processor, hand mixer, or by hand)
Oil a piece of aluminum foil and move the meat mixture to the aluminum foil
Mold the meat mixture into a shape that will fit into your air fryer basket
Wrap the oiled aluminum foil up around the sides of the meat folding the corner to one side
Preheat the air fryer to 400°F for 5 minutes
Carefully drop the gyro loaf wrapped in aluminum foil into the air fryer basket
Cook for 45 minutes at 300°F
Remove the air fryer basket and using tongs and a spatula (I use a cookie spatula) carefully lift the gyro loaf out of the aluminum foil and set on a plate
Fold the aluminum foil around the juices and discard
Spray the basket with olive oil and return the gyro loaf to the air fryer
Cook for 15 minutes at 300°F (60 minutes total at 300°F)
Make sure the center of the meat is at 165°F or higher
Using tongs to hold the hot gyro meat and move the gyro meat to a plate or cutting board
Cover the gyro meat with aluminum foil and let sit for 10 minutes
Oil air fryer basket, add frozen fries, oil fries, liberally salt, pepper, and garlic powder or granulated garlic the fries
Cook fries at 400°F for 10 - 15 minutes shaking every ~5 minutes making sure they do not burn
Slice Tomatoes, Rip lettuce into medium pieces, and thin slice 1/2 sweet onion
Remove the aluminum foil from the gyro and slice as thin as you can with a sharp knife or serrated knife
Warm pita bread in air fryer for a few minutes (optional)
Assemble gyros: pita bread, lettuce, 3-4 tomato slices, sweet onion slices, ~3 Tbsp tzatziki sauce, 2-3 slices of gyro meat, a small handful of fries, and if using feta, sprinkle some on top
Fold your gyro masterpiece and dive in!