Greek Gyros Meat

This recipe an easy recipe for delicious gyros meat to fill in pita pockets, quick way to make Greek Gyros.
Ingredients:
1 lbs ground pork (can substitute with beef)
1/3 lb ground lamb
1/2 onion, chopped
4 cloves garlic, minced
1 tsp of each, oregano, thyme, maryoram, cumin, rosemary
salt & pepper
1/2 cup Feta cheese
Pita Bread

Tzatziki sauce:
1 cup Greek yoghurt
1/2 cucumber, peeled, seeded and graded
1 clove garlic, graded
1/2 tsp sugar
1 tsp minced mint, optional
salt & pepper