Fry salt pork in large, heavy casserole over medium-low heat to render fat.

Add 1 to 2 tablespoons oil (depending on how much fat the chorizo has rendered) and beans, with their liquid.

When meatballs are ready, spoon off rendered fat from baking dish, then pour tomato mixture on top, covering meatballs evenly.

Up close the smell was worse: burnt meat and rendered fat.

I have some rendered fat here.

Transfer to paper towels to drain, leaving rendered fat in pan.

Next to the strip he places two bowls, one with what he calls beef lardo (essentially rendered fat from the steak), another with a creamy gremolata.

Other means of preservation included oil, vinegar or immersing meat in congealed, rendered fat.

Add the pancetta and cook, stirring, until it begins to render fat.

"To make soap, first we have to render fat."