Preheat oven to 400 degrees F.

Line a baking sheet with aluminum foil, and spray with non-stick cooking spray.

Coat a small saucepan with non-stick cooking spray.

Over medium heat, cook and stir garlic until soft, about 3 minutes.

Mix in white wine, honey, balsamic vinegar, mustard, and salt and pepper.

Simmer, uncovered, for about 3 minutes, or until slightly thickened.

Arrange salmon fillets on foil-lined baking sheet.

Brush fillets with balsamic glaze, and sprinkle with oregano.

Bake in preheated oven for 10 to 14 minutes, or until flesh flakes easily with a fork.

Brush fillets with remaining glaze, and season with salt and pepper.

Use a spatula to transfer fillets to serving platter, leaving the skin behind on the foil.