Recipe makes 18 muffins, I need 12. I stated the conversion is 2/3 and that was correct.

Original recipe/yields 18 calls for:

3 tablespoons butter

1 teaspoon vanilla- HOW MUCH FOR 12 Muffins.

I said 2 tablespoons butter- it was wrong??

I said 2/3 teaspoons for vanilla- it was wrong??