Cheesy Leek and Mustard Soup

Sauteed leeks and other vegetables are cooked in a broth which is thickened with a cornstarch and dry mustard mixture in this soup with Gruyere and cheddar cheese.

• Preparation Time: 20 mins
• Cooking Time: 1 hr 40 mins
• Total Time: 2 hr
• Calories: 479 Calories

Ingredients

• ½ cup water
• 2 teaspoons cornstarch
• 1 cup heavy whipping cream
• 1 teaspoon white sugar
• 1 onion, chopped
• 1 tablespoon margarine
• 1 tablespoon olive oil
• salt and pepper to taste
• 1 potato, cubed
• 1 carrot, chopped
• ¼ cup shredded Cheddar cheese
• 5 cups water
• 1 cube vegetable bouillon
• 1 ½ pounds leeks, sliced
• 1 ¼ teaspoons dry mustard powder
• ⅛ cup shredded Gruyere cheese

Recipe Instructions

Step 1

In a large pot over medium heat, saute the leeks, onion, potato and carrot in the butter or margarine and the olive oil for 10 minutes, or until all vegetables are tender.

Step 2

Mix the mustard powder and cornstarch with the 1/2 cup water to make a thin paste. Set aside.

Step 3

Season the vegetable mixture with salt and pepper and sugar. Stir in the mustard-water mixture and the 5 cups water. Bring mixture to a boil. Stir in the bouillon cube, reduce heat and simmer for about one hour, until reduced by half.

Step 4

Using a hand blender or upright blender, puree mixture until frothy but not completely smooth.

Step 5

Return this to the pot and bring to a boil. Stir in the heavy cream, Gruyere and Cheddar cheeses. Heat until cheeses melt, do not boil. Serve hot.