Preheat oven to 400°F.
Mix lemon-juice, olive-oil & melted-butter in a shallow bowl. Put aside.
In another shallow-bowl, then combine all-purpose flour, spices, pepper and salt. Place beside the lemon-juice mix.
Pat fish fillet dry. Dip fish from the lemon-juice mixture then dip into the flour mixture. Shake off excess-flour.
Heat 2 tablespoon olive-oil in a cast iron skillet over medium-high heat. Add fish and simmer on both sides to give it a colour, but don't completely cook (about a few of minutes on each side) Remove from heat.
To the remaining lemon-juice mixture, add the minced-garlic & blend. Drizzle all around the fish fillets.
Bake in the heated oven for till it starts to flake easily with a fork (10 minutes should do it, but start checking before ). Remove from heat and sprinkle chopped parsley.
Serve immediately.