Okinawa Tofu and Vegetables

sliced carrots

sliced onion, white or yellow

-14 oz package firm tofu, packed in water, drained and cut into 1/2 inch cubes

olive oil

butter (optional) but gives the dish good flavor

salt and fresh ground pepper

soy sauce

bunch of green onions, white and green parts, sliced in 1" pieces, on diagonal

sesame seeds for garnish (optional)