Oatmeal Chocolate Chip Cookies

4 sticks unsalted butter at room temp.
2 cups brown sugar
2 cups sugar
4 eggs
2 tsp. vanilla
2 tsp. baking powder
2 tsp. baking soda
1 tsp. salt
5 cups oatmeal
4 cups flour
2 cups chocolate chips
Cream butter and sugars. Then, add room temp. eggs one at a time. Add vanilla, soda, powder, salt and oatmeal. Add cups of flour one cup at a time. Last, mix in chocolate chips. Bake at 400 for 11 min. Remove from oven and let sit on cookie sheet for 6 more minutes. Then place cookies on cookie rack to cool. Yum! I'm eating one as I type this!*I halved the recipe and baked mine at 375 and still got a great result.