Recipes: Shawarma-spiced chicken foil packets

Preparation:   Preparation time: 15 mins Cooking time: 20 mins Serving: 4 Ingredients:   Shawarma Spice Blend 1 tablespoon ground coriander 1 tablespoon cumin 1 tablespoon cardamom 1 tablespoon cayenne pepper 1 tablespoon paprika   Foil Packets 1-1½ pounds boneless, skinless chicken breast or 10 ounces shiitake mushrooms 1/2 cup...