01 -
Heat the olive oil in a large nonstick skillet over medium heat.
02 -
Add the tofu and cook until lightly browned on all sides, flipping several times.
03 -
Meanwhile, whisk together the balsamic vinegar, Dijon mustard, and tamari.
04 -
Pour the sauce over the browned tofu and cook, stirring occasionally, until the sauce is thick and clings to the tofu.