Place the tempeh in the package on a cutting board. Cut the package in half. Remove the tempeh from the packages. You now have two rectangular blocks of tempeh. Cut those lengthwise into thin strips, but not so thin that they fall apart.
Place a skillet over medium heat. Add olive oil. Use tongs to add tempeh strips. Cook for 3–5 minutes on each side, turning when the tempeh strips have turned a golden brown and become crispy.
In a small bowl combine tamari, agave (or maple syrup), liquid smoke, garlic powder, and water. Stir to combine. Pour this sauce over the tempeh strips. Use tongs to flip tempeh strips so that they're evenly coated. Cook for 2–3 minutes on both sides, until the liquid is absorbed and the strips are browned.