Meanwhile, whisk mustard and brown sugar into remaining lemon juice mixture in small bowl; set mustard sauce aside. Sprinkle salmon evenly with pepper and 3/4 teaspoon of the salt. Remove baking ...
Top with the remaining parsley (if using) and serve drizzled with the feta sauce. Leftover salmon and veggies can be refrigerated in an airtight container ... If you don’t have any whole-grain mustard ...