Cinnamon Pavlova with apple-pear compote and mascarpone

Ingredients

• 6 egg whites
• 1/4 tsp salt
• 2 1/2 cups sugar
• 1/4 cup starch
• 1 tsp distilled white vinegar
• 1 1/2 tsp ground cinnamon
• 2 tsp vanilla extract
• 3 pears
• 1 apple
• 1/4 cup lemon juice
• 1 vanilla bean
• 5 sprigs tarragon
• 1/4 cup heavy cream
• 1 tbsp unsalted butter
• 1/2 cup caramel syrup
• 1 1/3 cups mascarpone cheese
• 2/3 cup confectioner’s sugar
• tarragon (for garnish)
• sliced almonds (toasted, for garnish)