I am looking at doing a recipe for roast in a pressure cooker:
http://allrecipes.com/recipe/220860/...ker-pot-roast/

The recipe calls for coating the meat with flour and then browning it in a
saute before the first major round of pressure cooking. Can someone tell
me what role does the flour play here?

I am gluten free, and I would actually prefer to avoid starch. Is there a
substitute for the wheat flour here that might work well? What about a nut
flour like almond?

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W