Add sugar slowly and then add cornstarch, vanilla and vanilla.
Line a baking sheet with a silicon mat.
Pour the egg white mixture onto pan.
Bake at 350° for 10 minutes
Reduce oven temp to 275° and bake for an additional 1 hour
Turn oven off and let pavlova cool inside the oven for at least 20 minutes and cool for at least 1 hour.
INSTRUCTIONS: WHIPPED CREAM and BERRY
Place the bowl of a standing mixer in the freezer for 10 minutes. Pour chilled whipping cream and vanilla into the bowl and whip. Chill until ready to assemble your Pavlova.