Cooking and Fractions

I just put these in the oven...

http://www.bettycrocker.com/recipes/date-bars/4b716ead-523c-42eb-b589-e48dc5240c3d

Cooking is a very tasty way of learning mathematics. Today I was introducing fractions. Mr. R didn't know that though!  

I wrote the recipe on a large white board for Mr. R to read and follow.