waffle batter; waffle dough
Refers to the uncooked mixture used to make waffles. 生地 here means dough/batter (sense 2 of 生地).
See also: 生地
ワッフル生地を一晩寝かせると、ふんわり焼き上がる。
If you let the waffle batter rest overnight, it bakes up fluffy.
waffle cloth; waffle fabric
Refers to a textured fabric with a honeycomb pattern resembling a waffle. 生地 here means cloth/fabric (sense 1 of 生地).
See also: 生地
このタオルはワッフル生地で、吸水性が高い。
This towel is made of waffle fabric and is highly absorbent.
Compound of ワッフル (from English 'waffle') and 生地 (dough/cloth).