• In a large mixing bowl, cream together butter, peanut butter, brown sugar, and granulated sugar.
• Add in eggs and vanilla and whip until very smooth.
• Add in flour, baking soda, salt, and oats. Mix well.
• Stir in chocolate chips.
• Roll dough into 1-1 1/2-inch balls and place on a parchment-lined cookie sheet (either to freeze or to bake.)

To freeze:

• Place cookie dough balls on a cookie sheet (they can be quite close together) and freeze for one to two hours.
• Remove from cookie sheet and place in an airtight freezer bag.
• Freeze for several months (if you have enough self control!)

To bake:

• Preheat oven to 375ºF.
• Put desired number of cookie dough balls on a parchment-lined cookie sheet, approximately 3 inches apart.
• Let sit while oven preheats.
• Bake in preheated oven for 10 minutes or until done.
• Transfer warm cookies to cooling rack.
• Eat and enjoy!