If you are a single member LLC that has not incorporated in your state then the IRS considers your business as a disregarded entity. You report your self-employment income and expenses on a Schedule C. The Schedule C is included with your personal tax return Form 1040.
See this TurboTax article for a beginners guide to self-employment - https://turbotax.intuit.com/tax-tips/self-employment-taxes/beginners-tax-guide-for-the-self-employed...
You will need the TurboTax Self-Employment online edition for your tax return - https://turbotax.intuit.com/personal-taxes/online/
Or you can use any of the TurboTax desktop CD/Download editions but the Home & Business edition is recommended - https://turbotax.intuit.com/personal-taxes/cd-download/
