Preheat your grill to medium-high heat.
In a small bowl, make the vinaigrette by combining the white wine vinegar, ginger, thyme, olive oil, and salt and pepper to taste. Set the vinaigrette aside for now.
1 tbsp. grated fresh ginger, 1 tbsp. white wine vinegar, 3 tbsp. extra-virgin olive oil, Sea salt and freshly ground black pepper
Season each salmon steak to taste with sea salt and freshly ground black pepper.
4 salmon steaks
In a bowl, toss the onions and peaches and season to taste.
2 medium red onions, 3 peaches
Grill the salmon until opaque throughout (5 to 6 minutes per side).
After flipping the salmon on its second side, place the peaches and onions on the grill and cook until tender, about 3 to 4 minutes per side.
Drizzle the salmon with the vinaigrette and serve with the onions and peaches.
1 tsp. fresh thyme leaves