01 - Add the hulled strawberries, cold whole milk, vanilla ice cream, and granulated sugar into a blender jar.
02 - Blend on high speed for approximately 30 seconds until the mixture is completely smooth and creamy with no fruit chunks remaining.
03 - Taste the milkshake and add more sugar if desired, then blend briefly to incorporate.
04 - Divide the milkshake evenly between two chilled glasses. Top with whipped cream and fresh strawberry slices if desired. Serve immediately.