White Bean and Ham Soup

Ingredient:

• 1 tablespoon unsalted butter
• 1 large white onion, coarsely chopped
• 1 carrot, coarsely shredded
• 1 clove garlic, peeled and smashed
• 3 sprigs thyme
• 1/2 teaspoon ground coriander
• 4 cups chicken stock or low-sodium broth
• 3 (15-ounce) cans cannellini beans, drained
• 1 pound smoked ham in 1 piece
• 1 1/2 cups baguette, cubed (1-inch)
• 2 tablespoons extra-virgin olive oil
• 1 teaspoon sweet paprika
• Kosher salt
• Freshly ground black pepper
• 1 scallion, thinly sliced crosswise