1/3 cup mustard (substitutes include mayonnaise, sour cream or pesto)
1/2 cup Parmesan cheese
3 tablespoons chopped green onion
1 tbs. lemon juice
~1 lb. whitefish, trout or burbot fillets, or any boneless fillets (skin-on or skinless)
Garnish with any combination of: lemon slice, cilantro, more cheese, chopped green onion
Mix together in a small bowl: mustard, Parmesan, green onions, and lemon juice. Cover a baking sheet with parchment paper or foil and place fillets skin side down covered sheet. Spread mixture generously on top of each fillet. Bake in oven at 350° about 15 to 20 minutes, depending on the thickness of the fillet.
Adapted from Alaska Sea Grant