2cupsstock of your choice - hot (brought to the boil)
80mlcream optional
salt and fresh ground pepper
Crumble Topping
120gall purpose flour
40grolled oats
90gbutter
½tspcrushed fennel seeds
pinchcrushed green peppercorns
pinchsalt
30gshaved parmesan
Instructions
Crumble Filling
Preheat the oven to 180°c.
Juice and zest the lemon into the baking dish.
Peel and cube the celeriac and toss it into the lemon juice.
Add the carrots, chopped fennel, garlic cloves, walnuts, salt, pepper and oregano. Drizzle with olive oil. Toss and bake in the oven for 25 minutes or until soft.
While the vegetables are in the oven, make the crumble and heat the stock.
Remove the roasting veg from the oven, pinch the garlic cloves from their casings, and squish them back into the baking dish, pouring over 2 cups of hot stock* (see notes). Check for seasoning. Whisk in the cream if using. The stock should cover the vegetables - add more if necessary.
Crumble Topping
Rub the butter into the flour and oats. Mix in the fennel seeds, pepper and a generous pinch of salt. Fork in the parmesan - try not to break it up too much.
Assembly
Cover the roasted vegetables with the crumble and bake for a further 15-20 minutes or until golden brown.
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Notes
I prefer the sauce not to be too thick, but by all means, thicken the stock with a bit of flour (make a roux) and/or add some cream for a richer sauce.