Grilled Beef Shawarma recipes

Name: Grilled Beef Shawarma recipes
Ingredients: 2 whole flank steak (1.5 lb or so each); 6 pita pockets; 1¼ tbsp cumin; 1¼ tbsp coriander; 1¼ tbsp garlic powder; ¾ tbsp paprika; 1¼ tsp turmeric powder; ¾ tsp ground cloves; ¾ tsp cayenne pepper; ¾ tsp black pepper; ¾ tsp cinnamon; salt; 1 large red onion, thinly sliced; 10 garlic cloves, roughly chopped; 2 cup red wine; ½ cup white vinegar; ½ cup olive oil; ⅓ cup tahini sauce; 3 tbsp water; 3 tbsp lemon juice; ½ tsp garlic powder, more to taste; ½ tsp salt, more to taste; 6 pita pockets, more as needed; 2 large tomatoes, sliced in ½-inch rounds, halved; ½ red onion, thinly sliced; pickles; 1½ cup fresh parsley leaves, stems removed