Grilled Tuna Rice Salad Provencal Recipe

Ingredients

• 3/4 cup long-grain rice
• 1 pound red onions (1 very large)
• 1/2 pound fresh tuna
• 16 ounces whole red and yellow peppers or 14 ounces coarsely chopped ready-cut peppers (4 cups)
• 2 teaspoons olive oil
• 1 large clove garlic
• 1 or 2 sprigs oregano or marjoram to yield 1 tablespoon chopped
• 2 tablespoons balsamic vinegar
• 4 tablespoons plain nonfat yogurt
• 2 tablespoons reduced-fat mayonnaise
• 1/8 teaspoon salt
• Freshly ground black pepper to taste
• 2 ripe medium-large tomatoes
• 2 slices crusty country bread