Fresh Zucchini Crumble

Name: Fresh Zucchini Crumble
Ingredients: 1 tablespoon unsalted butter, room temperature, plus 1 1/2 tablespoons; 1 large shallot, finely diced; Sea salt; Freshly cracked black pepper; 2 cloves garlic, finely chopped; 1/3 cup dry white wine, such as sauvignon blanc; 1/4 cup crème fraîche; 6 medium zucchinis, diagonally sliced 1/2-inch thick; 1 tablespoon chopped fresh thyme; 1 tablespoon chopped fresh mint; 1 tablespoon chopped fresh flat leaf parsley; 1 cup fresh breadcrumbs; 1/3 cup finely chopped walnuts; 1/2 cup grated gruyère; 1/2 cup grated parmigiano reggiano; Drizzle of extra virgin olive oil (optional)