From your timeline click Rewards, then click on Author rewards.
Next look across to the right, and look at all that Steem you earned you clever sausage you!
After viewing your stats, simply Steem on!
P.S. Also in the quick minnow series:
QUICK MINNOW GUIDE: How To 'Power Up' Your Steem Made Real Simple.
QUICK MINNOW GUIDE #2: How To 'Resteem' Made Real Simple.
QUICK MINNOW GUIDE #3: How To Comment On A Post Made Real Simple.