RG's pb chocolate chip cookies

I took these amazing cookies to Lucy's baby blessing today. There are only two left because everyone loved them. RG Stones got me hooked on these and I think of her every time I make them. Rachel, I still use the recipe book you got me, too. It was the best gift!

PB Chocolate Chip Cookies
Mix: ½ c. butter
         1 c. sugar
         1 c. brown sugar
         2 eggs
         1 c. peanut butter
         1 tsp. vanilla
         2 Tbsp. water (sometimes I add a little more)
Add: 2 c. flour
         2 tsp. baking soda
         2 c. oats
         3 c. chocolate chips (I use milk chocolate)
Shape into round balls. Bake at 350 degrees for 8-10 minutes.