Caramelized Onion Toasts

4 tablespoons unsalted butter , softened, for brushing the bread or 4 tablespoons unsalted margarine , plus 4 tablespoons unsalted butter or 4 tablespoons[...]

1 medium baguette , cut into 32 - 1/4 inch slices 1/4 cup olive oil , for brushing 1 CROSTINI TOASTS:. 2 Preheat the oven to 350°F Arrange the bread on 2[...]