1/4
cup olive or vegetable oil
1
tablespoon chopped fresh or 1 teaspoon dried thyme leaves
1
tablespoon red wine vinegar
1/4
teaspoon salt
Dash of pepper
1
clove garlic, finely chopped
1/2
pound tuna, or marlin fillets, 3/4 to 1 inch thick
1
medium tomato, seeded and coarsely chopped (3/4 cup)
1/4
medium red onion, thinly sliced
2
tablespoons chopped pitted kalamata or ripe olives
2
tablespoons chopped fresh Italian or regular parsley
2
teaspoons capers
1
loaf (1/2 pound) unsliced crusty Italian, French or sourdough bread
2
leaves romaine lettuce, shredded