Grilled Tuna with Borlotti, Onion Pickles, and Pepper Mustard

Grilled Tuna with Borlotti, Onion Pickles, and Pepper Mustard

Course :	Italian
From:	HungryMonster.com
Serves:	4

Ingredients:

1	large	red onion -- sliced 1/4 inch thk rounds
1/2	cup	red wine vinegar -- plus
4	tablespoons	red wine vinegar
1	tablespoon	balsamic vinegar
1/2	cup	water
1/4	cup	sugar
2	tablespoons	salt
1	cup	cooked cranberry -- (borlotti) beans
2	tablespoons	finely-chopped fresh thyme leaves
1	clove	garlic -- thinly sliced
3	tablespoons	extra-virgin olive oil -- plus
1/4	cup	extra-virgin olive oil
1/4	cup	dijon mustard
1	tablespoon	cayenne pepper
4	fillets	tuna steaks - -- (6 oz ea)
2	bunches	rucola -- washed, stemmed, and spun dry
1	teaspoon	salt -- to taste
1	teaspoon	freshly-ground black pepper -- to taste

Preparation:

Preheat grill or broiler In a mixing bowl, place sliced onion, 1/2 cup red wine vinegar, balsamic vinegar, 1/2 cup water, sugar and 2 tablespoons salt and mix well. Allow to stand 1 hour, drain and set aside. Mix cranberry beans, thyme, garlic and 3 tablespoons extra-virgin olive oil and set aside. In blender, mix Dijon mustard, cayenne, remaining 4 tablespoons red wine vinegar and 1/4 cup extra-virgin olive oil until smooth, remove and set aside. Rub tuna steaks with salt and pepper and place on grill or under broiler and cook until medium-rare (about 3 to 4 minutes per side). Toss arugula with bean mixture to coat and divide among 4 plates. Place pickled onion rounds around border. Place hot tuna in center of plate, drizzle with the mustard sauce and serve. Season lightly with salt and pepper. Comments: The original recipe title as listed is "Grilled Tuna With Borlotti, Onion Pickles, Arugula And Red Pepper Mustard".