1large leek, sliced, thoroughly rinsed in a colander and drained
1yellow onion, chopped
1clovegarlic, minced
2tablespoonsall-purpose flour
1cupheavy cream
Instructions
Place the Jerusalem artichokes and potatoes in a stock pot with the broth, marjoram, salt and pepper and boil, covered, for 10 minutes.In the meantime, melt the butter over medium-high heat and saute the onions, garlic and leek until softened, 5-7 minutes. Stir in the flour and cook for another 2 minutes.Add the leek mixture to the pot and return everything to a boil. Reduce the heat to medium, cover, and simmer for 25 minutes or until the Jerusalem artichokes and potatoes are soft. Use an immersion blender or transfer to a stand blender to puree the soup to the desired consistency. Add the heavy cream and blend until combined (if using a stand blender return the pureed soup to the pot and stir in the cream). Heat through. Add salt and pepper to taste.