Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   4                    tuna steaks -- 3/4 inch thick
     1/2  teaspoon      salt
     1/2  teaspoon      coarsely ground black pepper
   1      tablespoon    oil
     1/2  cup           chicken broth
   1      tablespoon    lemon juice
   1      tablespoon    country-style Dijon mustard
   1      tablespoon    finely chopped fresh chives

Preparation:

Sprinkle both sides of tuna with salt and pepper. Heat oil in nonstick skillet over medium-high heat. Add tuna; cook until browned on both sides and just slightly pink in center, about 8 minutes. Transfer tuna to platter. To same skillet, add chicken broth and lemon juice. Heat to boiling. Remove from heat. Swirl in mustard and chives. Spoon sauce over tuna. Serve immediately.