To make the marinade, combine the following-

• lemon juice
• EVOO
• 1/2 of the garlic
• mustard
• oregano

To make the cucumber sauce, combine the following-

• cucumber
• yogurt
• dill
• rest of garlic

To complete the rest of the recipe-

• Add raw chicken to a Ziploc bag with above marinade, and refrigerate for 1 hour.
• Remove chicken from refrigerator, drain and discard the marinade.
• In a large, nonstick skillet, saute the chicken for 7-8 minutes or until the juice runs clear
• Spoon half chicken on each gyro bread, and top with cucumber mixture. Garnish with onion, lettuce and tomato.

[Recipe inspiration via]