Very cool first game, bravo. I love the music. I would say the only thing that confused me was the ice cubes look similar to the sugar, but that was probably just a brain fog moment on my part LOL. The drawing on the notebook is a GREAT touch. Smart mechanic there!
Oh and I came across a minor bug that doesn't really have much impact cause all you have to do is refresh the browser, but if you press exit before play when you do hit play the game scene will be bugged and frozen. I'd recommend making a web version which doesn't have the quit button (since you can't quit a web version anyway), that's what I did for mine cause I had similar issues, and then keeping it for any windows builds etc. Anyway as I said SUPER minor, no impact whatsoever on my rating of your game I just thought I'd let you know about it! oh also don't feel obligated, my recommendation might even have flaws I just wanted to give an idea!