Preheat oven to 400 degrees F.
Line baking sheet with aluminum foil. Toss carrots, parsnips, leeks, 1 teaspoon of Italian seasoning, 2 tablespoons of olive oil, salt and pepper to taste directly on to your lined baking sheet. Spread out to a single layer of vegetables. Bake for 10 minutes.
In the meantime, rub each of your salmon fillets in olive oil, salt and pepper and the remaining 1 teaspoon of Sicilian Spice Seasoning (or Italian spice blend) Remove your roasted vegetables out of the oven and make 4 spaces between the vegetable for your salmon fillets. Place your salmon fillets on to the pan with the semi-roasted toot vegetables and place back in the oven for 7 minutes.
While your salmon is baking, make your balsamic glaze for the top of the salmon.
If using quality medium thick REAL balsamic vinegar, use a small sauce pan and heat up 1 tablespoon of oil and garlic slices and saute until aromatic. Remove sauce pan from heat and add ⅓ cup of quality balsamic and stir. Set aside
If using the regular run of the mill grocery store industrial grade balsamic, you will need reduce ⅔ cup of balsamic vinegar in a pan for about 15 minutes until it starts to coat the back of the spoon and then add a tablespoon of EVOO and garlic to the pan. Set aside.
Assess your salmon to see if starting to flake with a fork. Your salmon fillets will take between 10 to 15 minutes to cook depending on thick your salmon fillets are. About 2 minutes before you are ready to pull your salmon fillets out of the oven drizzle the balsamic glaze over the salmon and return back to the oven.
Once your salmon flakes easily with a fork, remove your sheet pan from the oven. Garnish with fresh herbs if desired and Enjoy!