Season fish with garlic salt and set a side

Heat oven to 375

In a peace of aluminum (make sure to is big enough to rap around) foil put one or two square of butter put one fillet of fish and add a portion of each onion ,peppers and tomatoes

Put another square of butter and rap foil around the fish

Repeat with the rest of the fish

Set fish in a baking tray and back for 15 each side

Let cool a bit and enjoy 👍