Better than EVER Brownies

INGREDIENTS

• Brownie Layer:
• 10 tablespoons unsalted butter
• 1 1/4 cups white sugar
• 3/4 cup cocoa powder
• 2 eggs
• 2 teaspoons vanilla extract
• 1/2 teaspoon salt
• 1/2 cup all-purpose flour
• Cookie Dough Layer:
• 1/2 cup unsalted butter
• 3/4 cup white sugar
• 1/4 cup brown sugar
• 1 egg
• 1 1/4 teaspoons vanilla extract
• 1 1/4 cups all-purpose flour
• 1/2 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1 cup semisweet chocolate chips
• cooking spray
• Cookie Layer:
• 1 (20 ounce) package chocolate sandwich cookies (such as Oreo®), crushed