3 tuna and salad with citrus vinaigrette Recipes

citrus vinaigrette, tuna steaks, vegetable cooking spray, loosely packed torn boston lettuce, loosely packed torn fresh spinach leaves, sliced radicchio, loosely packed torn curly endive, sliced mushrooms, cherry tomato halves, sweet red pepper, seeded and cut into thin strips, alfalfa sprouts, green onions

sushi-grade tuna, olive oil, head frisee (about 10 oz), leaves separated, fennel bulb, stemmed and sliced (fronds reserved), blood oranges (or navel oranges), peel, pith and seeds removed, cut crosswise into 1/8-inch slices (juice reserved), seedless tangerines, peel and pith removed, cut crosswise into 1/8-inch slices (juice reserved), avocado , cut into 1/8-inch slices, extra-virgin olive oil, fresh lemon juice (preferably from meyer lemons), fresh blood orange juice (or fresh orange juice), fresh tangerine juice, champagne vinegar, shallot, minced, lemon zest, tangerine zest, sea salt, freshly ground black pepper