Heat olive oil in a casserole over medium heat, add onion, sweat until tender (4-5 minutes). Add rice, stir to coat for 1-2 minutes, add wine, reduce by one-third (2-3 minutes). Add stock a ladleful at a time, stirring until stock is absorbed before adding more, stir continuously until rice is al dente and stock is absorbed (20-25 minutes). Remove from heat, add whipped cream to pan without stirring, cover with lid and set aside.
Heat walnut oil and butter in a large frying pan over medium heat until foaming, add sausage, snails and garlic, season to taste, stir occasionally until sausage is golden(4-5 minutes), set aside.
Meanwhile, for mushroom foam, heat butter in a large frying pan over low heat, add mushrooms, sauté until tender but not coloured (5-6 minutes). Add 300ml water, season to taste, simmer until infused (4-5 minutes), strain into a clean pan. Add cream, bring to the simmer, process with a stick blender until foamy, keep warm.
Fold cream through risotto, and serve with sausage and snail mixture spooned over, scattered with walnuts, cheese and parsley, with mushroom foam passed separately.
Note Canned snails are available from select
This recipe is from the July 2009 issue of Australian Gourmet