4-Hour Brownies Recipe by Tasty

Ingredients

• nonstick cooking spray, for greasing
• 1 cup unsalted butter
• 1 ¼ cups granulated sugar
• 1 cup dark brown sugar, packed
• 4 large eggs, room temperature
• 2 oz freshly brewed espresso
• ¼ cup vegetable oil
• 1 tablespoon pure vanilla extract
• 1 ¼ cups all purpose flour
• 1 cup unsweetened cocoa powder
• 1 teaspoon baking powder
• 1 teaspoon kosher salt
• 6 oz semi sweet chocolate
• 4 oz milk and semisweet chocolate feves
• flaky sea salt, for sprinkling