Spudnuts are donuts made with this type of flour
The potato doughnut, 
sometimes called a Spudnut, is a doughnut, typically sweet, made with either 
mashed potatoes or potato starch instead of flour, the most common ingredient 
used for doughnut... [DOC] [TLE] Spudnut Shops - Wikipedia [PAR] Spudnut Shops were American franchised stores selling donuts made with potato 
flour called Spudnuts.