Walnut, Beetroot and Goat Cheese Tart

Ingredients

• For the crust:
• 1 tablespoon butter
• 1 puff pastry sheet
• For the egg mixture:
• 2 eggs
• salt
• pepper
• 1 cup heavy cream
• For the onion mixture:
• 1 onion, sliced
• 1 tablespoon fresh thyme
• ½ cup white wine
• For the cheese and beet mixture:
• 1 beetroot, cooked and chopped
• 3 ounces of goat cheese, crumbled
• 1 cup walnut, crumbled
• fresh parsley for garnishing