Spicy Caramel Popcorn Mexican Chocolate Brownies

INGREDIENTS

• 105 g (3/4 cup) all purpose flour
• 35 g (1/4 cup) barley flour
• 30 (3 tablespoons) mesquite flour (sometimes called mesquite meal)
• 50 g (1/4 cup plus 2 tablespoons) dry whole milk powder
• 3/4 teaspoon baking powder
• 1 teaspoon cinnamon
• 1/2 teaspoon cayenne pepper
• 1/2 teaspoon sea salt
• 170 g (6 oz) unsweetened chocolate (do not use bittersweet), chopped
• 170 g (12 tablespoons or 1 1/2 sticks) unsalted butter
• 300 g (1 1/2 cup) white granulated sugar
• 165 g (3/4 cup) dark brown sugar
• 4 large eggs
• 1 tablespoon pure vanilla extract
• 1 tablespoon olive oil
• 1 teaspoon salt
• 1/3 cup popcorn
• 200 g (1 cup) white granulated sugar
• 2 tablespoon light corn syrup
• 1/2 cup heavy cream
• 57 g (4 tablespoons or 1/2 stick) unsalted butter
• 1 teaspoon pure vanilla extract