Use flour in cold water allowed to sit for at least 20 minutes.
Yes, you can substitute arrowroot for cornstarch in this recipe.
Yes for sure. A lot of vegan recipes actually use arrowroot.
custard
Yes.
with arrowroot for thickening
yes
Arrowroot is a thickener like cornstarch and flour.
No. But cornflour is often used as an ingredient along with others to make a custard pudding.
Arrowroot powder is refined starch extracted from the tubers of an arrowroot plant.
I think the custard we make with milk and sugar is soft enough.
To substitute arrowroot for cornstarch in a recipe, use a 1:1 ratio and mix the arrowroot with a small amount of cold liquid before adding it to the recipe to prevent clumping.