Preheat oven to 350. Combine flour, baking soda, and salt. Set aside.
In mixer bowl beat together oil and sugars. Beat in eggs. Add vanilla.
Gradually beat in dry ingredients.
Mix in 1 cup of chocolate chips or M&Ms. Spread into 9x13 pan.
Sprinkle remaining chocolate chips or M&Ms on top.
Bake for 15-25 minutes or until light brown.