Easy Parsnip and Leek Soup (Creamy One-Pot Recipe) - My Home Made Recipe

Ingredients

• 2 tablespoons butter.
• 3 leeks, white and light green parts sliced.
• 1.5-2 pounds parsnips, peeled and chopped.
• 2 tablespoons olive oil, plus more for garnish.
• 1-2 teaspoons kosher salt.
• 4 cups chicken or vegetable stock.
• 2 cups water.
• 2 strips lemon zest.
• 2 cups chopped fresh parsley.
• 1 tablespoon lemon juice.
• Black pepper to taste.