Sweet! Chocolate Peanut Butter Swiss Rolls

Ingredients

• Nonstick baking spray
• 2 cups granulated sugar
• 1 cup all-purpose flour
• 2 tablespoons unsweetened cocoa powder
• 1 1/2 teaspoons baking soda
• 1/2 teaspoon baking powder
• 1/4 teaspoon kosher salt
• 2 large eggs
• 1/2 cup whole milk
• 2 tablespoons unsalted butter
• 1 teaspoon pure vanilla extract
• 1 teaspoon ground instant espresso
• 1 1/2 sticks unsalted butter
• 1/3 cup confectioners' sugar
• 1/2 cup smooth peanut butter
• 1/8 cup whole milk
• 1/2 teaspoon pure vanilla extract
• 9 ounces bittersweet chocolate
• 1 1/2 tablespoons unsalted butter
• 3 tablespoons light corn syrup
• Pinch kosher salt
• 1 cup plus 2 tablespoons heavy cream
• Flaky sea salt or chopped peanuts