Every few days, I fill a cupcake pan with cupcake wrappers. In each wrapper, I place a toddler-size portion of a healthy snack. I put the tray on a low shelf in my refrigerator. When it's snack time, I let the girls go and choose one snack to take and eat.
And, even though they think they are in charge of choosing the snack they want to eat, in reality I choose what to put into the tray to begin with. Hehe, sneaky mom trick!