Brown Sugar Oatmeal Cookie, Cookie Dough Ice Cream Sandwiches

Bahan-bahan (16 porsi)

• 5 large egg yolks
• 3/4 cup granulated sugar
• 3 cups whole milk
• 2 teaspoons vanilla
• 1/4 teaspoon flaky sea salt
• 1 stick (1/2 cup) salted butter
• 1/3 cup light brown sugar
• 1/4 cup granulated sugar
• 1 pasteurized egg
• 2 teaspoons vanilla
• 1 3/4 cups all-purpose flour
• 1 cup mini semi-sweet chocolate chips
• 1 3/4 cups old fashioned oats
• 1 cup all-purpose flour
• 1 cup packed light brown sugar
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup canola oil or melted coconut oil
• 1 large egg
• 2 teaspoons vanilla extract
• 1 cup semi-sweet chocolate chips