The IRS considers gift cards as cash equivalents and thus, the value needs to be included on your return. Report your 1099-Misc as other income as follows:
In TurboTax online,
go to Income & Expenses,
scroll down the page to the last item Less Common Income,
select Miscellaneous income,
then from the list select Other reportable income.
you will have to enter the amount you earned plus a short description of the gift you received.
The gift card amount will appear on line 8 of your Form 1040. If you are using TurboTax Online, here are the steps to follow to preview your Form 1040:
Open or continue your return.
Select Tax Tools in the left menu (if you don't see this, select the menu icon in the upper-left corner).