Russian Punch Cake (Russische Punschtorte) | Saveur

Ingredients

• 5 tbsp. unsalted butter, 4 tbsp. melted
• 1 1⁄2 cups flour
• 4 eggs, separated
• 3⁄4 cup sugar
• 1⁄2 tsp. salt
• 1⁄2 cup dark rum
• 1 (1/4-oz.) packet powdered gelatin
• 4 whole eggs, separated, plus 4 egg yolks
• 2 1⁄2 cups sugar
• 1⁄3 cup plus 1 1/2 tsp. cornstarch
• 1 3⁄4 cups milk
• 1 cup heavy cream
• 1 vanilla bean, halved lengthwise, seeds scraped and reserved
• 1⁄2 cup confectioners' sugar
• 1 1⁄2 tsp cream of tartar
• 16 candied violets
• 1 tbsp. shelled and unsalted pistachios, finely chopped