Seared Halibut with Tomatoes, Scallions, and White Wine Sauce

Ingredients

• 1-1.5 pounds of halibut (skin remove), but into 2 inch width pieces.
• 2-3 sprigs of thyme
• Kosher salt and freshly ground black pepper
• 2 tablespoons extra virgin olive oil
• Splash of dry white wine
• Juice of one lemon
• Butter, salted (to taste)
• 2 scallions, finely diced
• 1 large tomato (very ripe) and with seeds removed, finely diced