2 tablespoons all-purpose flour
1/4 cup nonfat buttermilk
1/3 cup pecan halves, ground
1/3 cup panko (flaky bread crumbs)
Four 6-ounce trout fillets, divided
1/2 teaspoon salt
1/4 teaspoon black pepper
1 tablespoon butter, divided
1 tablespoon olive oil, divided
1 tablespoon chopped fresh parsley
4 lemon wedges