HOW TO COOK GYRO MEAT SOUS VIDE
I cooked it for 3:30hrs @ (150°F / 65.5°C)

* GYRO MEAT INGREDIENTS *
2 lbs Ground beef (20% fat)
1.5 lbs Lamb
2 tbs Garlic Powder 
2 tbs Salt Powder 
2 tbs Dry Oregano Powder 
2 tbs Black Pepper
1 White Onion

* TZATZIKI SAUCE INGREDIENTS *
2 cups Greek yogurt
1 large cucumber
4 cloves garlic
1/2 Lemon
3 tbsp chopped dill
salt, pepper to taste and if you want spicy add cayenne.