Power Mochi is not technically an awakening-specific ability. Awakening transforms the surroundings. While it is true that Katakuri uses awakening to have these peerless Donuts appear from any specific location and at any range, he could as well create those Donuts from his own body, especially when, like depicted in this chapter, he keeps him near himself anyways.
But whether he uses awakening or not is rather irrelevant. It just means he can use Power Mochi that casually. Hasn't Katakuri, in the WCI arc, trashed Ichiji low diff already to prove his worth in that regard?