Apple Parsnip Soup - Oryana

Ingredients

• 3 tablespoons butter
• 1 1/2 lbs cooking apples, peeled, chopped
• 1 1/2 pounds parsnips, peeled, sliced
• 1 large onion, chopped
• 1 1/2 teaspoons ground coriander
• 4 cups chicken or vegetable broth
• 1 teaspoon lemon juice