Even if Congress was not in recess, there is no way they could get another tax cut passed in only two weeks. No Democrats would support another tax cut and, considering how the last tax cut added a trillion dollars to the federal deficit, few Republicans would support it either -- but that didn't stop Trump from making another false claim.
Trump is already backtracking on his promise for a 'very major tax cut' before the midterm elections
https://www.businessinsider.com/trum...romise-2018-10