01 - Add the hulled strawberries, cold whole milk, vanilla ice cream, and granulated sugar into a blender.
02 - Blend on high speed until the mixture is smooth and creamy, approximately 30 seconds.
03 - Taste the milkshake and add more sugar if desired, then blend briefly to incorporate.
04 - Pour the milkshake into chilled glasses. Top with whipped cream and fresh strawberry slices if desired. Serve immediately.