Slice bread into 1-inch thick slices. Stack several slices and cut slices into 1-inch bars, then cut bars crosswise into 1-inch cubes. Repeat with remaining slices. Heat olive oil in large skillet over medium low heat. Add bread cubes and stir around well. Let cook over mediumlow heat, stirring frequently, until golden, about 5 to 10 minutes. Let cool slightly and add to salad while tossing.