What is green insidewhite outside and hops?

The phrase "green inside, white outside, and hops" describes a type of plant known as a hop plant, which is primarily used in brewing beer. The hop flowers are green, while the plant's stems and leaves can be more of a lighter color. Hops contribute bitterness, flavor, and aroma to beer, making them a crucial ingredient in brewing. This description cleverly captures the visual characteristics of hops in their natural state.