Preheat oven or air fryer to 400 degrees. Chop tofu into cubes and add to a large mixing bowl with oat flour and sesame oil. Toss to coat. Bake for 30-40 minutes flipping once halfway through.
Add sticky sesame sauce ingredients to a pan on low medium heat stirring frequently. Stir until mixture is thick and sticky, then turn heat off.
Mix in crispy tofu and serve over brown or jasmine rice.