Salted Caramel Chocolate Ganache Tart (Rich Make-Ahead Dessert) - My Home Made Recipe

Ingredients

• 1 1/4 cups (150 g) all-purpose flour, plus more for rolling
• 1/4 cup (25 g) unsweetened cocoa powder
• 1/3 cup (40 g) powdered sugar
• 1/4 teaspoon fine sea salt
• 1/2 cup (113 g) cold unsalted butter, cubed
• 1 large egg yolk
• 1 to 2 tablespoons ice water, as needed
• 1 cup (200 g) granulated sugar
• 1/4 cup (60 ml) water
• 1/2 cup (120 ml) heavy cream, warmed
• 4 tablespoons (56 g) unsalted butter, cubed
• 3/4 teaspoon fine sea salt
• 1 teaspoon vanilla extract
• 8 oz (225 g) bittersweet chocolate, finely chopped
• 1 cup (240 ml) heavy cream
• 1 tablespoon (14 g) unsalted butter
• Flaky sea salt, for finishing