Preheat the oven to 120°C.
Place egg whites in a bowl and whip with a hand mixer until foamy.
Add sugar in three parts, whipping until stiff peaks form.
Mix in corn starch and vinegar.
Spread the meringue into a circle on a parchment-lined baking sheet.
Bake at 120°C for 80 minutes and let it cool.
Add sugar to heavy cream and whip to make whipped cream.
Spoon the whipped cream over the cooled meringue.
Top with prepared strawberries to finish.