Add olive oil and butter to 12" skillet and cook over med heat to melt butter. Add mustard, stir to combine and cook for 1-2 min to toast mustard seeds.

Add fish to pan, sprinkle with pepper and sauti until lightly browned, about 3 min per side. Turn fish, mix in honey and cover with a lid to complete cooking. Fish should be opaque but do not overcook.

Remove fish.

Add water to deglaze pan and heat over high heat to reduce sauce by half. Pour over fish and serve.