Download ImageBroccoli Au Gratin ingredientsCasserole3 shallots (finely diced)1 tbsp olive oil (plus more for brushing)2 tbsp AP flour1 tsp salt1/4 tsp freshly ground black pepper1/2 tsp fresh sage (finely sliced) or 1/4 tsp dried sage1&1/2 cups milk (dairy or plant based)1 large broccoli head (abt 900 g)1&1/2 cups cheddar cheese (grated)Topping3 tbsp butter (melted)1 cup Panko or bread crumbs1/4 cup Parmesan cheese (grated)StepsPreheat oven to 190 deg C & brush a large baking dish with some olive oilCut broccoli into florets of 2 inches in size, wash, drain & set asideSauté shallots in olive oil for 5 mins in a medium saucepan set over medium heatAdd flour & continue sautéing for 30 secsAdd salt, pepper, sage & milk, stir constantly for 3-5 mins until sauce thickensAdd cheese, bring mixture to a simmer & remove from heatAdd broccoli, mix well & transfer into greased gratin dishAdd all the ingredients for the topping in a bowl, mix well & sprinkle over gratinBake for 15-20 mins, until hot & bubbly & bread crumbs have turned golden brown Source : www.instagram.com