Combine Argo Corn Starch and ¼ cup water in a small bowl.  Stir to dissolve; set aside.

Combine strawberries, sugar, remaining ½ cup water in a 5-quart pot over medium heat.  Bring to a boil, reduce heat and continue cooking for 10 minutes, stirring every 2 minutes.

Add milk to strawberry mixture.  Using an immersion blender, blend until smooth (or transfer to a blender, blend and return to pot).

Add corn starch mixture to pot; bring to a boil, continue cooking for 15 minutes, stirring frequently. Serve hot.