You can use this recipe to make cod in the oven instead. Preheat the oven to 400 degrees F. Prepare the cod filets according to the recipe. Separately, combine the garlic sauce ingredients in a skillet until the butter melts. Place the seasoned cod filets in a casserole dish and pour the sauce on top. Bake the cod for 15-20 minutes until it reaches an internal temperature of 145 degrees F.