The phrase
"large curds" refers to big, solid pieces that form when something like milk or cheese solidifies or coagulates.
Full definition
Add egg mixture and cook, stirring with a spatula to
create large curds, until eggs are just beginning to set, about 3 minutes.
There are different styles of cottage cheese available — some
with large curds (often called «chunk style» and great as a finger food), some small, some with the curds washed to make them taste sweeter and less acidic, and some with unwashed curds and a more «tangy» flavour.
Add eggs and cook, stirring occasionally and scraping bottom of skillet with a heatproof spatula to
form large curds, until softly set, about 3 minutes.
Cook eggs, stirring occasionally and scraping bottom of skillet with a heatproof spatula to form
large curds, until just set, about 3 minutes.