Drinks a La Mode by Mrs de Salis (1891, p.39) — Drinks a La Mode 1891

2 large spoonfuloatmeal groats base
littlewater dilution
0.5 pintbeer or porter — boiling beer or porterother
littleginger — whole gingerother
to tastesugar sweetener
  1. Mix oatmeal groats with a little water, gradually add boiling beer or porter, boil about ten minutes with grated ginger, and sweeten to taste.

Das Mixerbuch by A. Brehmer (1924) — Brehmer 1924, opening warm punch section

to tasteLondon dry gin — gingerbase
2 heaping tablespoonfuloat groats base
water dilution
0.67 literboiling beer or porter other
to tastespice other
to tastesugar sweetener
  1. Let oat groats swell in water for one hour over heat, strain, mix with boiling beer or porter, bring to a boil, season with ginger and spices, and sweeten before serving.

Ice: None