The phrase "thick custard" refers to a dessert made from milk, eggs, sugar, and other ingredients that has a dense and creamy consistency. Full definition
Slowly bring the mixture to the boil and continue stirring constantly until thick custard consistency. (luzalmond.com)
Slowly bring the mixture to the boil and continue stirring constantly until thick custard consistency. (luzalmond.com)
Reaching The «Trace» Stage: Then give your mixture a few short 3 second bursts, stirring between each burst until the mixture thickens slightly and looks a little like thick custard. (savvyhomemade.com)