uneatably

If there is absolutely no fat on the piece to be broiled, morsels of finely chopped suet may be occasionally thrown into the fire, so the sudden spurt of flame from this source leaves a deposit of fat on the meat which improves the flavor, and, without softening the albumen, prevents its becoming uneatably hard and dry.

The Story of Crisco Marion Harris Neil

The throats, tanned and parched by much beer, are sensitive only to something with the most distinct and defined taste of its own; and so it is that whelks and winkles and mussels and all forms of fish and flesh, that are to the American uneatably strong and unpleasant, make the luxuries of the English poor.

Prisoners of Poverty Abroad Helen Campbell 1878

The actual soup is almost uneatably spicy, hence the name, which translates as "numbingly hot."

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