In the beer world today, we like to talk about the four primary ingredients used to make beer — malt, hops, water and yeast. But it hasn’t always been that way.

Beermaker Craig Neuzil called Decorah Nordic Gruit "the anti-IPA." "Everybody was making these big, juicy, India pale ales and seeing how much hop bitterness they could get into it," said Neuzil, the ...