You created a monster! Check out the basics of behavior modifictaion!
It will take you about half as long as the time it took you to reward the child.
There is no punishment for an 11-month old, but there IS such a thing as REFUSING TO GIVE IN.
That's a very different story.
You need a good bit of reading or help to change your outlook.
If you pick her up and give her what she wants, she will ALWAYS cry. As a teenager, as a wife, as an employee, etc. It may turn to whining instead, or anger if that doesn't work, but it will continue life-long if you don't set LIMITS and do it NOW.
\PS both I and now my son just know better, b/c our mothers knew better. I had to do this with my ex's little cousin, who was my charge while my son and I lived in the family home. My son was an angel, almost, and this little boy of ten was retarded to a mild degree, so people had spoiled him. At first, I was told not to bring this child back to the library, he was such a spoiled thing. After six months, I took the boys back to the library, and the very same librarian was amazed that this well-behaved, quiet boy was the same child!
It's tough, but it CAN be done, and in the end,
being what you might call mean actually empowers children to be respectable little people who are well liked and given more opportunity in life.
That's the best thing we can do!