Sweet-Spicy Glazed Salmon

This is not something that I've made for small group, but a few of you wanted the recipe.  It is easy and really good.  Hope you enjoy!

3 tablespoons dark brown sugar
1 tablespoon low-sodium soy sauce
4 teaspoons Chinese-style hot mustard (if you can't find it, use Dijon mustard or 1 tsp of dry mustard)
1 teaspoon rice vinegar
4 (6-ounce) salmon fillets (about 1 inch thick)
salt
pepper

1) Preheat oven to 425
2) Combine first 4 ingredients in a saucepan; bring to a boil.  Remove from heat.
3) Place fish on a foil-lined pan coated with cooking spray; sprinkle with salt & pepper.  Bake at 425 for 10 minutes.  Remove from oven.
4) Preheat broiler.
5) Brush sugar mixture over fish; broil 3 inches from heat 3 minutes or until fish flakes easily when tested with a fork.