Creamy Red Pepper Soup

Name: Creamy Red Pepper Soup
Ingredients: 4 tablespoons olive oil; 2 onions, chopped; 2 carrots, peeled and chopped; 3 garlic cloves, chopped; 2 teaspoons chopped fresh thyme leaves; 6 cups chicken broth; 2 (12-ounce) jars roasted red bell peppers preserved in water, drained; 1 russet potato, peeled and coarsely chopped; 1/2 cup dry white wine; 1 tablespoon sugar; Salt and freshly ground black pepper; 16 (3/4-inch thick) baguette slices, cut into 1/2 to 3/4-inch cubes; 1/2 cup mascarpone cheese