Riesling Onion Soup with Herbed Croutons

INGREDIENTS

• 3 Tbs. unsalted butter
• 4 large yellow onions, about 2 lb. total, thinly
• sliced
• 2 leeks, including pale green tops, sliced
• 1 garlic clove, chopped
• 2 Tbs. fresh tarragon leaves, chopped
• 3 Tbs. all-purpose flour
• 2 cups Riesling
• 6 cups reduced-sodium chicken stock
• Coarse salt and freshly ground pepper, to taste
• 1/2 baguette, thinly sliced
• 2 Tbs. olive oil
• 2 Tbs. unsalted butter, melted
• 2 Tbs. chopped mixed fresh herbs, such as
• tarragon, rosemary, thyme and flat-leaf
• parsley, in any combination
• 1/2 lb. Italian fontina cheese, cut into
• small cubes