If peanuts can be chopped up finely and still be dry, how come grinding them makes them pasty?

Question

If peanuts can be chopped up finely and still be dry, how come grinding them makes them pasty?

In: 29

Answer 1

When chopped even finely, the pieces are surprisingly still many orders of magnitude larger than the pieces when you grind them up.

Large pieces hide the oil, super tiny ones, mix with the oil.