Get your taxes done using TurboTax

in the step x step view, 

 

under Federal Taxes, the 'wages and income' then "i'll chose what to work on"

 

scroll down to 'business items' and then 'business deductions and credits'... the 3rd item down is 'self employed retirement plans'.

 

they don't make it easy to find, but it's there! 

 

be sure to answer 'yes' to whether you contributed to an IRA / 401(k) in 2018 when the question appears. 

 

did that work?