Shawarma Meat

2.2 pounds tenderloin beef meat, cut in strips

1 tablespoon cinnamon

1 tablespoon dried thyme

¼ cup grape vinegar

¼ cup ketchup

¼ cup extra virgin olive oil

2 large onions, chopped

Tahini sauce

1 garlic clove, crushed

¼ cup tahini (sesame paste)

¼ cup lemon juice

½ cup water

Salt to taste

Salad

2 tablespoons parsley, chopped

1 onion, chopped

2 tomatoes, diced

1 tablespoon sumac

Salt and pepper, to taste