Curried Potato, Apple & Leek Soup

Ingredients

• 2 tablespoons Madras Curry powder
• 3 large Russet potatoes, peeled, medium dice
• 1 large leek, white and green parts, medium dice
• 2 stalks celery, medium dice
• 1 large apple (preferably Braeburn, or Honeycrisp), peeled, medium dice
• 4 tablespoons butter
• 3 tablespoons fresh thyme, chopped
• 1 cup white wine
• 1 quart water, or vegetable stock
• 2 cups heavy cream
• 1 tablespoon salt
• 1 teaspoon white pepper