Decadent and Irresistible Dessert Bars

Ingredients

• 10 tablespoons unsalted butter
• 1 1/4 cups white sugar
• 3/4 cup cocoa powder
• 1/2 teaspoon kosher salt
• 2 teaspoons vanilla extract
• 2 large eggs
• 1/2 cup flour
• 1 package Oreo cookies (regular or double stuffed)
• 1/2 cup unsalted butter at room temperature
• 1/4 cup brown sugar
• 3/4 cup white sugar
• 1 large egg
• 1 1/4 teaspoons vanilla extract
• 1 1/4 cups flour
• 1/2 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1 cup semi-sweet chocolate chips