Read Isaiah 44:16 Using Other Translations
He burneth part thereof in the fire; with part thereof he eateth flesh; he roasteth roast, and is satisfied: yea, he warmeth himself, and saith, Aha, I am warm, I have seen the fire:
Half of it he burns in the fire. Over the half he eats meat; he roasts it and is satisfied. Also he warms himself and says, "Aha, I am warm, I have seen the fire!"
He burns part of the tree to roast his meat and to keep himself warm. He says, “Ah, that fire feels good.”