We talk about ingredients every day:
Me: What ingredients are in strawberries?
Him: Are oranges in oranges?
Him: what else?
Him: that's good!
Do you know exactly how much fruit and vegetables you need to eat per day? Here's a link to a quick calculator provided by the CDC. You enter your age, gender and physical activity, and they tell you to eat more fruits and vegetables.
Also from the CDC, this common sense publication to affording healthier eating (30 tips that will make you giggle, groan or remember something helpful):