Ingredients

8 1/2 pound swordfish steaks, about 1 inch thick

1/4 cup fresh lemon juice

5 tablespoons dijon mustard

1/4 cup (1/2 stick) butter

Mustard sauce:

6 tablespoons (3/4 stick) butter, melted

3 tablespoons fresh lemon juice

2 tablespoons dijon mustard

Preparation

For swordfish:

Prepare barbecue grill with very hot coals. Pat fish dry. Brush with lemon juice. Spread 1 side with mustard, dot with butter. Grill fish mustard side up until just opaque, about 29 minutes, do not turn.

For sauce:

Heat butter, lemon juice and mustard in heavy sauce pan

Arrange fish mustard side down on plates. Spoon sauce over and serve