If matter expands when heated, why does most food shrink when being cooked?

Question

If matter expands when heated, why does most food shrink when being cooked?

In: 2

Answer 1

Most food contains water and the water evaporates as you heat your food up. Additionally grease may melt inside the food and flow out causing your food to shrink.

Boiling something dried will make it expand, think of pasta and rice.