Rustic pumpkin and chestnut pie

Ingredients

• 1 package of rounded shortcrust pastry
• 300 g of pumpkin flesh, chopped into cubes
• 150 g of frozen chestnuts, peeled
• 100 g bacon, diced
• 100 g goat cheese, cut into cubes
• 1 yellow onion, sliced ​​
• 1 red onion, sliced ​​
• 3 garlic cloves, sliced
• 3 tbs. cream cheese
• A drizzle of olive oil
• A sprinkle of balsamic vinegar
• A pinch of salt and freshly ground black pepper
• Milk for brushing the dough
• Arugula leaves to decorate