Okay kiddo, so you know how eggs come from chickens, right? Well, usually they are white or brown, but some people like to dye them different colors like green for fun.
Now, let's talk about ham. Have you ever had a slice of ham before? It's a type of meat that comes from pigs.
So, when someone says "green eggs and ham," it's usually a reference to a famous book by Dr. Seuss. In the book, the main character, Sam-I-Am, tries to convince another character, who doesn't want to try new foods, to taste green eggs and ham. Spoiler alert: in the end, the other character tries it and realizes that he actually likes it.
In real life, you can make green eggs by putting some green food coloring in the egg mixture and then cooking it just like normal. And you can have green eggs with ham as a meal.
But remember, trying new things is always a good thing to do, just like in the book!