Ultimate 4th of July Cookie Sandwich | Cooking Professionally

Ingredients

• 1/2 cup butter, softened
• 1/3 cup sugar, plus more, to taste, for the dough balls
• 1/3 cup dark brown sugar, packed
• 1 large egg, room temperature
• 2 teaspoons vanilla extract
• 2/3 cup all-purpose flour
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/4 teaspoon ground cinnamon
• 1 1/2 cups quick-cooking oats
• 1/2 cup semisweet chocolate, finely chopped
• 3 cups dulce de leche ice cream, softened, if necessary
• 1/4 cup brickle toffee bits