Butternut and Onion Au Gratin - aninas recipes

Ingredients

• 1 butternut (peeled and thinly sliced)
• 2 red onion (peeled and thinly sliced)
• 1 cup double thick cream
• 2 tablespoons vegetable stock concentrate
• 1 cup grated parmesan
• few sprigs fresh thyme (stalks removed)
• 1 tablespoon freshly grated black pepper
• 1/2 cup grated parmesan (for topping)
• salt (to season)
• fresh thyme (to serve)