Roast Pork with Rosemary and Garlic

Roasting is cooking by radiant heat. In its pure form that means in front of, not over, a fire, where a large cut requiring long cooking would become too smoky, distracting from the taste. Grilling over a fire is for thin, tender cuts that cook quickly. For roasting, since most of us don’t have a hearth, we settle on a hot oven, which, though the result…