For the Best Cup ofCoffee, Here’s Why You Should Always AddYour Sugar First For the best coffee drinking experience,you need any sugar you add to dissolve. To make your sugar dissolve the quickest,you need to add it to a piping hot cup ofcoffee before you pour in any cream or milk. A spoonful of sugar will dissolve almostinstantly if you add it to a hot drink. It’ll dissolve much more slowly and requiremore stirring if you add it to a cold drink. That’s why coffee shops usually use simple syrup to sweeten iced coffee drinks because it’s muchquicker to mix in than waiting for sugar to dissolve. That’s also why, if you add a couple of spoonfulsto your iced tea, you’ll end up with a clump ofundissolved sugar at the bottom of your cup.