frittate

Noun

frittata (countable and uncountable, plural frittatas or frittate)

1. A crustless quiche: a molded omelette in which vegetables, cheese, etc., are mixed into the eggs and cooked together.
   • The classic Italian egg pie, the frittata is an attractive dish that requires no fancy rolling or split-second timing... Much of the preparation for most frittate can be done in advance[.]1998, Mark Bittman, How to Cook Everything, page 740

   Synonyms:

   Spanish omelette