Wiktionary
brew up
vb. 1 (context British English) Make a fire in order to make tea 2 (context military intransitive English) To go up in flames. 3 (context military transitive English) To cause to go up in flames.
Usage examples of "brew up".
I only had to round up the essential biological entities, brew up some tissue-generation vats, sharpen up some scalpels, dry out some cat-gut for stitches, then heat up some cauterizing irons.