Preheat the oven to 250F. Prep a baking sheet with parchment paper.
Whisk the 1 cup sugar and sifted 2 Tbsp Dutch-process unsweetened cocoa powder together in a small bowl and set aside.
Beat the 4 large egg whites, at room temperatureand a pinch of salt in a clean, dry mixing bowl using a stand mixer or hand mixer. Start on medium speed until foamy, then increase to high speed.
When soft peaks form, add the 1 tsp pure vanilla extract. Begin adding the sugar/cocoa mixture 1 tablespoon at a time, while the mixer is mixing. This helps the sugar dissolve and gives you a glossy finish. Beat in the 2 tsp cornstarch and the 1/2 tsp lemon juice or vinegar.
Continue beating until the meringue is thick, glossy, and holds stiff peaks.
Use a spoon or piping bag to dollop or pipe the meringue onto your baking sheet into an 8" circle.
Bake for 75–90 minutes ~ don’t rush it. You want the outside set and dry, but the center should still feel pillowy if you very gently press the side.
Turn the oven off, crack the door open, and let it sit 1–2 hours until fully cooled.
To make the chocolate whipped cream, whip everything to soft-medium peaks so it's pillowy, not stiff.
Top the cooled pavlova with a generous layer of whipped cream. Garnish with chocolate curls if desired.
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although The View from Great Island attempts to provide accurate nutritional information, these figures are only estimates.
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