Antarctica Sledging Biscuits are dense, crunchy and high fat and salt biscuits made specifically to keep people alive in Antarctica.
When cooking sledging biscuits you simply need to avoid overcooking them. They should be pale yellow in colour rather than brown as most biscuits. From aroundtheworldtravels.co.uk
These are/were often topped with pemmican. The above site says that one of the reasons Scott's team died was that they didn't have fruit in their pemmican, resulting in scurvy and an inability to digest energy.
Whole wheat: 120 grams in one cup of whole wheat flour, so 150 grams = 1.25 cups
Butter: 14.2 grams per tablespoon, so scant 2 T. for 30 grams
Water: 50 ml = 3.35 tablespoons (US), so about 3 T. + 1 tsp.
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