In the blender vase, combine oatmeal and 2 cups of water. Blend until the oatmeal has completely dissolved.Strain with a medium-mesh strainer to remove any undissolved parts. This is optional.
Step 2: Blend again
Return the oatmeal mixture to the blender vase and add strawberries, vanilla extract, and ice cubes.Blend until the ice and strawberry are completely puréed. Serve immediately.