Kale pie with walnuts | Kaltbach

Ingredients

• 210 g flour
• 150 g butter
• 1-2 tablespoons cold water
• 225 g kale, chopped
• 1 red onion, chopped
• salt
• black pepper
• 100 g grated Kaltbach Gold
• olive oil
• 3 eggs
• 200 ml milk
• 100 ml heavy cream
• 50 g chopped walnuts
• grated Kaltbach Gold