Soften butter. Use mixer to mix in sugars, eggs, vanilla, powder, & salt. Whip well. Add 1 cup flour & mix. Measure the oats first, then grind into a fine powder with coffee grinder or food processor & add to dough. Mix well. Add chocolate chips.
Butter your cookie sheet. After buttering the pan use a spoon to place cookie dough.
Bake 360 degrees 8 minutes. All ovens are different. Watch your cookies. When the edges begin to brown and the centers are still a bit wet looking they are done.
Only bake as many cookies as you want to eat. Save the remaining dough in the refrigerator (or freeze for longer storage) until you want cookies again. The next time you have a hankering for some cookies (like tomorrow) bake as many as you want to eat. If you do this, you will have warm, fresh perfect cookies every time.