Russian Mushroom and Potato Soup Recipe

Ingredients

• 5 tablespoons butter, divided
• 2 leeks, chopped
• 2 large carrots, sliced
• 6 cups chicken broth
• 2 teaspoons dried dill weed
• 2 teaspoons salt
• 0.125 teaspoon ground black pepper
• 1 bay leaf
• 2 pounds potatoes, peeled and diced
• 1 pound fresh mushrooms, sliced
• 1 cup half-and-half
• 0.25 cup all-purpose flour
• 1 sprig fresh dill weed, for garnish