I am thinking about making a dessert that calls for baking in ramekins @ 450 degrees. Can I use my Johnson Bros. ironstone coffee cups at that temperature?

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Queen of Spoons
Queen of Spoons November 13, 2010

I'm not familiar with that particular dinnerware. Check the manufacturers website for whether it is considered a stoneware product.

In terms of pottery, 'stoneware' is high fire clay and glaze and should be fine at that high a temperature (although not, of course) on a stove top. Earthenware is a lower fired product and I would not recommend that temp.

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Mr_Vittles
Mr_Vittles November 13, 2010

It should be fine. I have used my coffee mugs in the oven plenty of times, from french onion soup to reheating chili. And mine are cheapies from Walmart.

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mrslarkin
mrslarkin November 13, 2010

I think you can. Does it say on the bottom of the cups?

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spiffypaws
spiffypaws November 14, 2010

If the cups are oven safe, absolutely.

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