Coconut Pavlova with Pudding and Caramel Sauce

Name: Coconut Pavlova with Pudding and Caramel Sauce
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: Eastern European
Ingredients: 1 cup sweetened shredded coconut; 1 cup fine granulated white sugar; 1 tablespoon potato starch ((or cornstarch - if avoiding kitniyot, use potato)); 3 large egg whites, room temperature ((reserve the yolks)); Pinch salt; 1 teaspoon white vinegar; 1/2 teaspoon vanilla or coconut extract; 3 large egg yolks; 1 cup granulated white sugar; 1/2 cup unsweetened cocoa powder; 1/3 cup full fat coconut milk; 1/4 cup water; 1/2 cup granulated white sugar; 1/2 cup brown sugar; 2 tablespoons water; 1 teaspoon vanilla extract; 1/4 cup full fat coconut milk