1/2 cup freshly grated parmesan cheese, divided |
2 tablespoons low-fat mayonnaise |
2 tablespoons greek yogurt or 2 tablespoons sour cream |
2 tablespoons melted unsalted butter |
juice and zest of one small lemon (about 2 tablespoons juice) |
1/2 teaspoon dried basil |
1/2 teaspoon dried tarragon |
1/8 teaspoon onion powder |
sea salt & freshly ground black pepper |
4 (6 -8 ounce) tilapia fillets |