In order to do that, you should wash them by hand and then boil them to further remove anything that may be harmful for consumption. Then, you can fry or batter and deep fry them and eat them. And in a reddit thread about sand fleas, or mole crabs, some redditors explained that they taste similar to soft shell crabs.
But, one reddit shared, “It’s only worth it to eat the bigger ones. Take the main shell off, toss in a coating, and cook in butter. Top with a twist of lemon.”