flat pan

After collecting sap, he puts it in a flat pan and cooks it over a wood fire.

From Washington Times ● Jan. 31, 2020

There was a big flat pan of milk, too, with a cheesecloth stretched over the top and held down at the sides with stones.

From "Miracles on Maple Hill" by Virginia Sorensen

It was dark in Gawaine's tent, except for a flat pan of charcoal which lit it dimly from below.

From "The Once and Future King" by T. H. White

Fo-Hi having added some bright green fluid to that in the flat pan, had now poured the whole into a large test-tube, and was holding it in the flame of the burner.

From The Golden Scorpion by Sax Rohmer

A flat pan is laid on the bench and the ferrule stood upon it.

From Elements of Plumbing by Samuel Edward Dibble