Reading, learning, marvelling at Martin Odersky's creation thanks to his great book.
Everything I try (usually within the Play! 2.1 framework as that's just the cherry on top) just works, and as I learn more, I find 5 lines condenses to 3, condenses to 2, with no reduction in readability (as long as I name my variables properly).
My conclusion is that Scala is the closest thing I've seen to the physical embodiment of the Clean Code ideal. Huzzah!