In a large mixing bowl the combine butter, sugar, and brown sugar and cream until light and fluffy.
Then add eggs one at a time and mix until well combined.
Add in the vanilla and mix again.
Add in the oats, flour, and baking soda and continue to mix until all ingredients are combined.
Fold in the Bailey's Chocolate Chips.
Chill dough for about at least 10 minutes before rolling into 2 inch dough balls.
Place cookie dough balls onto a cookie sheet and bake in batches at 350 degrees for about 12-14 minutes.
