Panzanella (Italian Bread Salad): Diary of a Foodie : gourmet.com

Ingredients

• 6 (1-inch-thick) slices very stale Italian country bread (preferably salt free; about 1/2 lb)
• 2 to 3 medium tomatoes, chopped
• 1 small red onion, halved lengthwise and thinly sliced
• 1 cup loosely packed basil leaves, torn or coarsely chopped
• 1/4 cup olive oil, or to taste
• 2 tablespoons red-wine vinegar