[header] How to make crumpets [title] Sift the flour and cream of tartar together into a bowl. [title] In a medium bowl, mix the yeast and the sugar together with ¾ of a cup of warm water, and let stand until the water becomes foamy. [step] Stir in the remaining lukewarm water. 
[title] Mix the yeast mixture into the flour mixture, and beat vigorously for two minutes, or until you get a thick, yet smooth batter. [title] Cover the bowl with cling wrap and let it stand in a warm spot until the batter rises and then falls.