Reference for Zevachim 182:8

דרבנן סברי מה מנחה מתנדבין אף שמן מתנדבין [ומינה מה מנחה לוג שמן אף כאן לוג שמן ומה מנחה קומצה ושיריה נאכלין אף שמן קומצו ושיריו נאכלין

so here too<span class="x" onmousemove="('comment',' When oil alone is donated.');">¹⁴</span> a log of oil [is required] and as a meal-offering, a fistful thereof is removed, and the rest is eaten, so the oil [alone], a fistful there removed and the rest is eaten. And the other [learns] from a meal-offering: as a meal-offering is donated, so is oil donated; 'but place it on its own basis', viz. , it is like a drink-offering [of wine]:<span class="x" onmousemove="('comment',' Which is donated by itself. It is more logical to liken it to a drink-offering than to the ordinary meal-offering of which oil is only a part.');">¹⁵</span>

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