Chocolate pavlovas with strawberry compote

Ingredients

• Strawberry compote
• 500 gram strawberries, halved
• 1 tablespoon caster sugar
• Chocolate pavlovas
• 4 egg whites
• 1/4 teaspoon cream of tartar
• 1 cup (220g) caster sugar
• 2 tablespoon cocoa powder
• 2 teaspoon cornflour
• 1 teaspoon white vinegar
• 300 millilitre thickened cream
• 1 tablespoon caster sugar, extra
• coarsely grated dark chocolate for serving, optional