Preheat oven to 375°F; line baking sheets with parchment.
Whisk flour, malted milk powder, baking soda, and salt in a medium bowl.
Beat butter and both sugars in a large bowl about 3 minutes, until light and fluffy.
Beat in eggs and vanilla well.
Gradually mix in dry ingredients just until combined; fold in chocolate chips.
Drop rounded tablespoons onto prepared sheets, 2 inches apart.
Bake 10-12 minutes, until edges are golden and centers look slightly underdone.
Cool on sheets 5 minutes; transfer to wire rack to cool completely.