Did you get a 1099INT for it? If not, enter it like you got one and put the amount in box 1.
Enter a 1099-Int under
Federal Taxes tab
Wages & Income
Interest and Dividends
Interest on 1099INT - Click the Start, Revisit Or Update button
Your system will not allow me to enter an amount for interest income? Is there a trick?
Please contact Turbo Tax for assistance with completing your return.
Turbo Tax Customer Care