Roast it properly with ちゃんと
Vocabulary Explanation: Do it properly with ちゃんと

Masaki’s dream job making coffee turns out to be nothing like he expected, as he’s put to work sorting out good beans from bad. When he finally has the chance to roast beans, he’s eager to use the fancy roasting machine, but he’s instead given handheld a coffee roaster to hold over a portable stove’s flame.
- エゾリスA:
- 「ほらほら ちゃんと揺すらないと〜」
- “Come on, come on. You have to shake it properly.”
- エゾリスB:
- 「一部だけ焦げちゃうわよ〜」
- “Parts of it might get burnt.”
- マサキ:
- 「うるさいなあ」
- “Hush up!”
Here, ちゃんと conveys that there is a proper way to roast the beans, and Masaki needs to roast them the way they should be roasted. If any beans burn, it is because Masaki is not roasting them the correct way.