By hand

By spoon, piece or glass

In grams

Is your palm bigger or smaller than average?

Hands vary with body size. Cook a piece of fish or chicken breast, hold it against your palm until it covers the same area and thickness, and weigh it. The BDA's reference for a palm of fish is 140 g.

g

Hand sizes and food shapes differ. Use this as a starting point, then adjust to your appetite.