A surgical instrument includes an end effector assembly having first and second jaw members each including a tissue-treating plate. The jaw members are movable between a spaced-apart position and an approximated position for grasping tissue between the tissue-treating plates thereof. One or both of the jaw members includes a bifurcated body having first and second jaw components. Each jaw component includes a tissue-treating plate portion disposed thereon. One or both of the jaw components is rotatable relative to the other between an aligned orientation, wherein the tissue-treating plate portions are substantially co-planar, and an angled orientation, wherein the tissue-treating plate portions are angled relative to one another. Rotation of the jaw component(s) from the aligned orientation to the angled orientation effects cutting of tissue grasped between the tissue-treating plates of the jaw members.
