1) Baked in a shallow dish 2) Baked in ramekins 3) Like some eggs or cloth 
• (a.) Broken into an earthen dish and baked over the fire; -- said of eggs. • (a.) Made or gathered into a shirr; as, a shirred bonnet.
Shirred adjective 1. (Sewing) Made or gathered into a shirr; as, a shirred bonnet. 2. (Cookery) Broken into an earthen dish and baked over the fire; -- said of eggs. 
Gathered material that creates pleated details.