Yes, definitely creamed it ... a zillion years ago, when I first started to learn to cook, my mom made darn sure I knew what was a fluffy creamed butter! Back then, it was a hand-operated egg-beater and very strong arm!

The only difference from your recipe was that I used a combination of 3 different sweeteners but I can't see how that would make a difference.

ETA: I do have it right don't I ... 1/2 cup =1/4 pound of butter?