1/2 cup Balsamic Vinegar
1/2 cup dry white wine
2 tablespoons fresh lemon juice
2 tablespoons of dark brown sugar
6 6-8oz Rock fillets with skin on
Olive oil
Combine the first four ingredients in a saucepan, stir so sugar is dissolved. Boil to reduce to 1/3 cup. Season with salt & pepper.
Brush rock with oil sprinkle with salt and pepper. Grill with flesh side down for about 5 minutes then turn for another 5 minutes. Transfer to platter and drizzle the balsamic glaze and serve.