Add the cream, vanilla and sugar to a medium bowl.
Whip with a stand or hand mixer until stiff peaks form. Keep refrigerated until ready to use.
Making the Milkshake
Blend the ice cream, heavy cream, milk, vanilla and strawberries in a large blender until smooth and creamy.
Pour into 4 large glasses and top with whipped cream and extra strawberries if desired.
The calories shown are based on the recipe making 4 milkshakes, with 1 serving being 1 milkshake topped with whipped cream. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate.