- With the rack in the highest position, preheat the oven’s broiler.
- In a bowl, combine the honey and both mustards. Set aside.
- In a large ovenproof non-stick skillet, brown the fish steaks and the cut-side of the lemons in the butter. Season with salt and pepper. Remove from the heat.
- Brush the surface of the fish steaks with the mustard mixture. Continue cooking under the broiler for 3 to 5 minutes, depending on the thickness of the fish. Serve with the grilled lemons and, if desired, rice and a vegetable of your choice.