I always think of sausage casserole as a 'winter warming' recipe, for when its cold and wet outside and you need some comfort food! This one is served with polenta, but it would be just as good with mashed potato.
I have used vegan sausages in this recipe, but do check the packaging carefully as vegetarian sausages can contain egg and gluten. Unfortunately if you are following the low-FODMAP diet most vegan sausages do contain onion, however the rest of the recipe does not contain onion. I have used garlic-infused oil and tinned butter beans which are safe at 35g per portion.
Serves 3 portions.