Nigel Slater’s three onion soup recipe

Roasted red and yellow onions, banana shallots, bay and rosemary all star in this stirring soupPut the oven on at 200C/gas mark 6. Peel 2 large banana shallots, 2 medium red onions and 2 yellow ones. Roughly chop them all and put them in a roasting tin with 5 tbsp of olive oil, the needles from 3 bushy sprigs of rosemary, 2 bay leaves and a sprinkling of salt and black pepper. Roast for about 45 minutes, moving them round the pan from time to time. Continue reading...