Oatmeal Chocolate Chip Cookie Bars

Step 1

In a medium-sized bowl whisk together the flour, oats, baking powder, salt, and cornstarch. Set aside.

Mix Dry Ingredients

In a large mixing bowl whisk together the butter and sugars

Cream Butter and Sugars

Step 2

Stir in the vanilla, egg, and egg yolk, making sure to mix until fully combined. Scrape down the sides of the bowl again.

Add Egg, Egg Yolk, and Vanilla

Step 3

Gently fold in dry ingredients and chocolate chunks until just combined.

Add Dry Ingredients

Step 4

Pour cookie dough into prepared pan and gently press into an even layer.

Prepare for Baking

Step 5

Bake the cookie bars just until golden brown. Let the bars cool in the pan on a wire rack for 20 minutes then slice and serve.

Bake and Serve

Step 6

Enjoy!