Mushroom & Chestnut Sausage Rolls (vegan recipe)

Name: Mushroom & Chestnut Sausage Rolls (vegan recipe)
Cuisine: European, British
Ingredients: Fresh Thyme; 1 tbsp rapeseed oil, plus extra for brushing pastry; 1 onion, chopped; 2 cloves garlic, crushed; 250g mushrooms, chopped; 180g cooked chestnuts, roughly chopped; 1 tbsp soy sauce; 3 sprigs fresh thyme, leaves pulled; 1/2 vegetable stock cube; salt and pepper; 3 tbsp porridge oats; 1 tbsp peanut butter; 320g/1 packet of puff pastry