Grilled Salmon with Maple and Balsamic Vinegar Glaze

Quick, simple and delicious!  Serve it with a quick side of veggies and this becomes a fantastic gourmet meal (and you don't even sweat over it!).  Absolutely delicious!  Enjoy!
-1/2 cup pure maple syrup
-6 Tbs balsamic vinegar
-1 tsp salt
-1 tsp pepper
-4 salmon filets, skin on
Place syrup, vinegar, salt and pepper in large resealable plastic bag.  Mix well.   Add the salmon and let it marinate at room temperature for about 20 minutes, turning once in a while.
Coat your grill with cooking spray (be generous).  Turn it on.
Once nice and hot, add the salmon with the skin side up.  Grill for about 3 minutes.  Carefully, flip it over and let it grill for 6-7 more minutes or until cooked through.  Enjoy!