Meaning: Potatoes are vegetables that have a lot of starch and make you feel full.
Choice of Words: Starchy means having a lot of starch, which is a type of carbohydrate. Filling means making you feel full.
Alternative Expressions
Potatoes are like tiny energy packs.
Meaning: This sentence compares potatoes to small containers of energy, which is what carbohydrates like starch give you.
Choice of Words:Potatoes are vegetables that are grown underground. Energy packs are things that give you energy. Tiny means something that is very small.
Potatoes are the food that keeps on giving.
Meaning: This sentence means that potatoes are a food that can provide you with sustained energy and satisfaction.
Choice of Words:Potatoes are vegetables that are grown underground. Keeps on giving means something that provides benefits or satisfaction over a long period of time.