Preheat oven to 300°F. Line a baking sheet with parchment paper.
In a large bowl, beat egg whites until stiff peaks form.
Gradually add the sugar, 1 tablespoon at a time, beating until sugar is dissolved.
Add vinegar, cornstarch and vanilla extract. Beat until combined.
Spread the meringue onto the prepared baking sheet and bake for 1 hour, or until the meringue is golden brown and crisp.
Remove from the oven and let cool completely.
In a small saucepan over medium heat, combine cream, butter, brown sugar, cinnamon and nutmeg. Cook, stirring occasionally, for 5 minutes or until the mixture thickens.
Remove from heat and let cool.
In a medium bowl, whip the heavy cream until stiff peaks form.
To assemble the pavlova, place the meringue on a serving plate. Top with the whipped cream and caramelized bananas.
Drizzle with the cooled caramel sauce.
Serve immediately.
Interesting Facts
The original banoffee pie was created in East Sussex, England in 1971.
Pavlova is named after the Russian ballerina Anna Pavlova.
The meringue is the most important part of the pavlova and should be light and crisp.
Bananas and caramel are a classic combination and the perfect topping for a pavlova.