Cut the pork cutlets into strips.
Peel the garlic cloves, squeeze them through the press and add them to the meat together with the oil and the gyros spice salt, mix well and let them marinate for 2- 3 hours.
Brown the meat in batches on all sides in a frying pan and then place in a large bowl. Pour whipped cream over meat and refrigerate overnight.
Peel, halve and slice onions.
Remove stems from peppers, remove seeds and cut into strips.
Sauté onion and bell bell pepper in olive oil.
Add the onion soup powder and water, bring to a boil and simmer for about 10 minutes. Add the gypsy sauce, processed cheese and the marinated meat to the soup and bring to a boil, stirring until the cheese is well dissolved.
Season the gyro soup with salt, pepper and thyme.