Ice Cream Sandwiches Recipe | Epicurious

Ingredients

• 3/4 cup plus 2 tablespoons all-purpose flour
• 1/4 cup natural unsweetened cocoa powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon kosher salt
• 6 tablespoons (3/4 stick) unsalted butter, room temperature
• 1/2 cup sugar
• 1 tablespoon light corn syrup
• 1 large egg yolk
• 1 teaspoon pure vanilla extract
• 1 tablespoon sour cream
• 1 pint ice cream (any flavor)