You are here: Home » Recipes » Two-Potato Bisque Two-Potato Bisque Recipe by Relish ContributorKitchen Tested Yield 4 to 6 servings Here's a low-fat twist on potato soup. PrintEmail Ingredients 1 large sweet potato, peeled and cut into 1-inch cubes1 large baking potato, peeled and cut into 1-inch cubes1 large onion, chopped2 garlic cloves, minced1 bay leaf Salt to taste1 teaspoon dried thyme1/8 teaspoon cayenne pepper2 cups canned fat-free chicken broth1 cup low-fat buttermilk1 cup skim milk2 tablespoons lime juice3 tablespoons chopped fresh cilantro Instructions In a large pot, combine sweet potato, potato, onion, garlic, bay leaf, salt, thyme, cayenne and chicken broth and bring to a boil. Reduce heat and simmer, covered 15 minutes, or until potatoes are tender. Pour mixture into a food processor and blend until smooth; return to pot. Add buttermilk, skim milk, and lime juice and cook over a low heat just until heated through; do not boil. Remove bay leaf before serving. Sprinkle cilantro on the top of each serving.