Put milk and cocoa in blender and blend til mixed. While blending add ice until crushed and thickened. Whip the cream and sugar together until thickened.
Put chocolate mix in mugs add cream and top with chocolate shavings.
Combine Marinade Ingredients in Ziploc Bag and mix. Add Chicken and coat in bag. Refridgerate 4 hours turning once or twice. Combine Salsa ingredients and stir. Refrigerate until ready to serve. Grill chicken on preheated grill with cooking spray. Grill 5 minutes on each side until cooked thoroughly. Serve over rice with salsa.