Classic Chocolate Ice Cream Sandwich Recipe

Ingredients

• vegetable oil cooking spray
• 1/2 cup all-purpose flour
• 1 tablespoon all-purpose flour
• 1/4 teaspoon kosher salt
• 1/4 teaspoon baking soda
• 1/3 cup sifted Dutch-process cocoa powder
• 3 tablespoons unsalted butter, softened
• 1/4 cup white sugar
• 2 tablespoons light brown sugar
• 1/2 teaspoon pure vanilla extract
• 1/3 cup whole milk, at room temperature
• 6 scoops vanilla ice cream