Baked Lemon Sole with Sauteed Swiss Chard

Name: Baked Lemon Sole with Sauteed Swiss Chard
Ingredients: 4 slices fresh white bread, crusts discarded and bread quartered; 1 teaspoon lemon zest; 1/4 cup walnut halves; 1/4 cup grated Parmesan; 2 tablespoons olive oil; 4 lemon sole fillets, rinsed and patted dry; Salt and freshly ground black pepper; 4 tablespoons butter, plus extra for casserole; 1/4 cup lemon juice 3 tablespoons capers 2 tablespoons olive oil; 2 cloves garlic, minced; 2 bunches Swiss chard, leaves removed and chopped