Preheat oven to 350℉.
Prepare a 1/4 sheet pan with cooking spray. Line the pan with parchment paper and spray the top of the paper as well.
In the bowl of at stand mixer, combine the flour, sugar, salt, baking powder. With the paddle attachment, mix the dry ingredient on low until combined.
Add butter cubes, one at a time.
Continue mixing until the mixture is well-combined and crumbly.
Continuing to mix, add eggs one at a time until they're all just combined.
Bake for about 15 minutes. Test to see if it's done by sticking a toothpick in the cake—if it comes out clean, it's done.
Set aside to cool completely.