Rescues · TO SAUTE
The fat smokes and everything tastes acrid.
Why it happens
The fat passed its smoke point. Butter smokes around 150°C; use oil, or a mixture, when the pan needs to be hotter than that.
Recovering it
A flooded pan is fixable: lift half the food out, raise the heat, let the liquid boil away, then return it in batches. That liquid is worth keeping rather than pouring off — it is concentrated and seasoned. Burnt garlic is not fixable; it will define the finished dish, so start the aromatics again in a clean pan and treat the loss as a few cloves rather than the whole recipe. If the fat has smoked, wipe the pan and start over, because the off-flavour transfers to anything cooked in it afterwards.
The mechanism
The fat is a heat-transfer medium: it fills the microscopic gaps between food and metal so far more of the surface actually reaches cooking temperature than would in a dry pan. Motion is the other half — pieces that sit still brown on one face and stay raw elsewhere, and pieces that move present every face in turn, which is why this suits things cut small. The governing constraint is the same one that governs searing: food releases water, and the pan must stay hot enough to boil it off as fast as it arrives. Once the rate of release exceeds the rate of evaporation the pan floods, the temperature falls to 100°C, and the food stews. That threshold is set by pan area and heat, not by the recipe, which is why sautéing is the technique most often ruined by doubling a batch.
The full TO SAUTE lesson — how to tell, where to practise it, what it carries to.