Winter Citrus Pavlova

Name: Winter Citrus Pavlova
Prep time: 25 min
Cook time: 1 h
Total time: 1 h 25 min
Cuisine: American
Ingredients: 6 Egg Whites (room temperature); 1 pinch Cream of Tartar; 1 3/4 Cup Castor Sugar (sifted); 1 ½ teaspoon Cornstarch; 1 teaspoon Vanilla; ½ teaspoon White Vinegar; ¾ Cup Sugar; 2 Tablespoon Clementine Zest; 1 teaspoon Cornstarch; 1 Egg; 1 Egg Yolk; ¼ Cup Clementine Juice; ½ Tablespoon Lemon Juice; 3 Tablespoon Vegan Butter (cubed); 1 Cup Vegan Whipped Cream (I like cocowhip); 2 Clementines (peeled and divided)