Salt & pepper Preheat oven to 190ºC . Heat oil in a skillet & fry the buckwheat for 2 to 3 minutes. Add onions & mushrooms & cook for a few more minutes. Pour in the wine & stock & bring to a boil. Reduce heat & simmer for 20 minutes. Add more stock if necessary. Grind the walnuts finely. Wash & cook spinach without water for 6 minutes. Drain off any excess liquid & chop thoroughly. When buckwheat is cooked, remove pan from heat & let cool slightly. Stir in walnuts & spinach. Mix in the herbs & mix well. Season to taste. Grease a 1 LB loaf tin & press in the mixture. Bake for 50 to 60 minutes till the top is dark brown & feels firm to the touch. Let it stand for 10 minutes, then turn out onto a plate. Serve with vegetables & greens.