Simmer butter in heavy medium saucepan over medium heat until deep golden brown, swirling pan occasionally, about 6 minutes. Remove from heat.
2
Brush fish with oil and sprinkle with salt and pepper. Heat a sauté pan over medium-high heat and cook the swordfish until just opaque in center, about 4 minutes per side. Transfer to plates and tent loosely with foil to keep warm.
3
Remove pan from heat and deglaze with balsamic vinegar. Whisk in honey and mustard, then add the browned butter. Season to taste with salt and pepper and spoon sauce over fish.
Simmer butter in heavy medium saucepan over medium heat until deep golden brown, swirling pan occasionally, about 6 minutes. Remove from heat.
2
Brush fish with oil and sprinkle with salt and pepper. Heat a sauté pan over medium-high heat and cook the swordfish until just opaque in center, about 4 minutes per side. Transfer to plates and tent loosely with foil to keep warm.
3
Remove pan from heat and deglaze with balsamic vinegar. Whisk in honey and mustard, then add the browned butter. Season to taste with salt and pepper and spoon sauce over fish.