½ sleeve buttery round crackers (such as Ritz®), crushed
1 pound thick-cut cod loin
½ medium lemon, juiced
¼ cup dry white wine
1 tablespoon chopped fresh parsley
1 tablespoon chopped green onion
1 medium lemon, cut into wedges
Gather all ingredients. Preheat the oven to 400 degrees F (200 degrees C). Place 2 tablespoons butter in a microwave-safe bowl. Melt in the microwave on high, about 30 seconds. Stir buttery round crackers into melted butter. Place remaining 2 tablespoons butter in a 7x11-inch baking dish. Melt in the preheated oven, 1 to 3 minutes. Remove dish from oven. Coat both sides of cod in melted butter in the baking dish. Bake cod in the preheated oven for 10 minutes. Remove from oven; top with lemon juice, wine, and cracker mixture. Return to the oven and bake until fish is opaque and flakes easily with a fork, about 10 more minutes. Garnish with parsley and green onion and serve with lemon wedges.