Preheat the oven to 350 degrees.
In a mixer fitted with a paddle attachment, cream butter and two sugars.
Add vanilla and eggs until combined.
Add flour, baking powder, baking soda and salt until combined.
Add instant oatmeal and mix until combined.
Fold in butterscotch chips with a spatula.
Place 1 1/2 inch balls onto greased cookie sheet and bake for 15 minutes.