Which muscle of mastication is most superficial/lateral and easiest to palpate extraorally over the angle of the mandible?

The masseter is the most superficial and lateral muscle of mastication, easily palpated bilaterally over the mandibular angle/ramus, especially when the patient clenches. The temporalis is palpated over the temporal fossa, and the pterygoids are deep and not directly palpable extraorally.