Grilled Tuna With Borlotti, Onion Pickles, And Pepper Mustard Recipe

• 1 lrg Red onion sliced 1/4" thk
• 1/2 c. Red wine vinegar plus
• 4 Tbsp. Red wine vinegar
• 1 Tbsp. Balsamic vinegar
• 1/2 c. Water
• 1/4 c. Sugar
• 2 Tbsp. Salt
• 1 c. Cooked cranberry (borlotti) beans
• 2 Tbsp. Finely-minced fresh thyme leaves
• 1 x Garlic clove thinly sliced
• 3 Tbsp. Extra-virgin extra virgin olive oil plus
• 1/4 c. Extra-virgin extra virgin olive oil
• 1/4 c. Dijon mustard
• 1 Tbsp. Cayenne pepper
• 4 x Tuna steaks - (6 ounce ea)
• 2 bn Rucola washed, stemmed, and spun dry Salt to taste Freshly-grnd black pepper to taste

Directions