Potage Crême De Potiron

• 1½ lbs. of pumpkin
• 1 large tomato
• 1 small onion, the yolk

Peel the pumpkin and cut in 3 inch lengths. Halve the tomato, and cut the onion in thin slices. Put all in a thick saucepan with a closely fitting lid. Do not add any liquid of any kind. Put the saucepan in a slow oven or on a very slow fire for 1 hour. Then rub all through a sieve int