Eggs dipped in horseradish and spicy eggs. Cow eggs mainly refer to the testicles of cows. This kind of bovine testicles contains a large amount of amino acids, protein and fat, as well as a variety of vitamin A, vitamin B and other trace elements. Horseradish (scientific name: Armoracia rusticana), also known as horse radish, horseradish radish, etc., belongs to the order Brassicaceae, Brassicaceae, and horseradish is an upright perennial herb.