Choose a dry day to make the pie combining lemon & this egg-white concoction; the latter does poorly in humidity
Put the sugar and egg whites in a large 
heatproof bowl over a saucepan of .... 1 1/2 teaspoons lemon zest [DOC] [TLE] Yeast and How it Works [PAR] Instant active dry yeast does not have to be hydrated in water prior to mixing as 
active dry ... A bread dough that is too dry will take a long time to rise because the 
yeast ... discovered they could create that with a tablespoon or two of lemon juice.