Preheat oven to 350 degrees and line a cookie sheet with parchment paper
In a large mixing bowl, cream together the butter, brown sugar, white sugar, and peanut butter.
Add the eggs and vanilla and mix until creamy.
Slowly add in the flour, baking soda, and salt and mix until combined.
Mix in the oats.
Stir in by hand the butterscotch chips, chocolate chips, and M&Ms.
Place balls of cookie dough (about 2 tablespoon each) on the parchment paper. press slightly to flatten a bit.
Bake for 9-11 minutes. The cookies will NOT be brown.
Store in an airtight container after they cool.
Makes 2 dozen cookies.