Monster Cookies

1/2 cup butter
1/2 cup brown sugar
1/4 cup sugar
3/4 cup peanut butter
1 egg
1 tsp vanilla
1/2 tsp baking soda
1 1/4 cups flour
1/2 cup oatmeal
3/4 cup Smarties
1/2 cup chocolate chips

Bake for 10-12 minutes at 350, until just barely done.