Manava Dharmashastra 5.25

5.25

cirasthitam api tv ādyam asnehāktaṃ dvijātibhiḥ
yavagodhūmajaṃ sarvaṃ payasaś caiva vikriyā //

But all preparations of barley and wheat, as well as preparations of milk, may be eaten by twice-born men without being mixed with fatty (substances), though they may have stood for a long time.