Tuna with Bayonne Ham and Vegetables | RICARDO

Ingredients

• 16 small yellow onions (pearl onions)
• 2 steaks Bluefin tuna, about 2-inch (5-cm) thick, (750 g / 1 1/2 lb)
• 8 thin slices Bayonne ham
• 2 tablespoons (30 ml) olive oil
• 3 tablespoons (45 ml) butter
• 3 cloves garlic, finely chopped
• 2 cups (500 ml) shiitake mushrooms, stems removed, cut into wedges
• 2 teaspoons (10 ml) red wine vinegar
• 2 cups (500 ml) oil-packed artichokes, drained and quartered
• 4 cups (1 litre) baby spinach
• 1 green onion, chopped
• Salt and pepper