Chewy, fudgy, delicious and packed with chocolate chunks and chips. These cookie bars are the perfect dessert on the go that is simple to bake and feeds a crowd easily.
Preheat the oven to 180°C and line an 8x8 inch square tin with baking paper, set aside.
In a large mixing bowl add the rolled oats, corn starch, flour, brown sugar, baking soda, salt and stir together with a spatula until combined.
Pour in the brown butter and stir briefly add the egg, water, vanilla and stir together. Add the chocolate chips/chunks and stir until combined.
Transfer the cookie dough to the lined tin and bake for 18 - 20 minutes or until the top is just set and dry to the touch.
Allow it to cool in the pan for 30 minutes before cutting into squares. Top with sea salt flakes and enjoy.
Notes
I like to use brown butter here, make sure it is not piping hot from the stove, let it cool down for a 10 minutes or so before adding to the ingredients.
If you do not have corn starch replace it with all purpose flour or almond flour/almond meal.
Do not over bake this cookie as it cools in the pan it will continue to cook in the residual heat.
Do not cut it before it cools or else it will fall apart.
Alternatively, you can serve this warm and scoop the cookie into bowls.
Instead of the water you can add 1 egg yolk or 2 tbsp milk, it keeps the cookie fudgy.