Reduce heat, bring to a simmer, and cook, stirring often and pushing
fruit against the side of the pan with the back of a wooden spoon to break apart slightly, until thick and syrupy, about 25 minutes more.
simmer for a further 10 - 15 minutes stirring occasionally until the vegetables are soft and break easily when pressed with a spoon against the side of the pan
Some pieces might need to be propped up
against the side of the pan or against another pepper, if they don't have a flat bottom.
Cook, stirring constantly and breaking up the lumps if necessary, by pressing
them against the side of the pan with the back of the spoon until the mixture comes away from the sides of the pan, about 2 - 3 minutes.
Season, then simmer for 15 minutes, or until the lentils are soft (squash one
against the side of the pan to check).
press the spinach up
against the side of the pan to release the water and allow it to steam off.
Press to seal
them against the sides of the pan.