Crepes au Chocolat Chcolate Cookies -Kosher?

Question

1. milk chocolate [sugar, cocoa butter, unsweetened chocolate, nonfat milk, lactose, butterfat, soy lecithin added as emulsifier, vanillin (an artificial flavor)], unbleached wheat flour, sugar, concentrated butter, partially hydrogenated vegetable fat (copra and palm kernel oils), lactose, milk proteins, salt, malt, baking soda (levening). Made in France by Delacre (www.delacre.com). 2. I read an answer to another question but am not familiar enough with some of the terminology to understand the answer. So put simply, Is it okay to use the same plastic spoon (not without washing) when cooking/preparing a meat meal and a dairy meal that is: a. Hot. b. Cold.