Canned pumpkin purée

Kaddu purée

Canned purée is weighed; density is near 1.0 g/ml if converted.

Instead of Canned pumpkin purée

Pumpkin or butternut squash
Use the same weight of cooked, mashed purée; roast first for thicker purée. Butternut is smoother and sweeter.
Squash or pumpkin
Use the same weight cooked and puréed; drain if watery, as canned purée is dense.
Sweet potato
Use the same weight cooked and mashed; sweeter and starchier, so reduce added sugar.