Homemade Fudge Chocolate Pop Tarts

Bahan-bahan (9 porsi)

• 2 and 1/4 cups (281g) all-purpose flour (spooned & leveled)
• 1/4 cup (21g) unsweetened natural or dutch-process cocoa powder, plus more as needed for rolling
• 2 Tablespoons (24g) granulated sugar
• 1/2 teaspoon salt
• 1 cup (16 Tbsp; 226g) unsalted butter, very cold and cubed
• 1/2 cup (120ml) cold whole milk*
• egg wash: 1 egg beaten with 1 Tablespoon (15ml) milk
• 4 ounce (113g) semi-sweet chocolate bar, coarsely chopped*
• 1/4 cup (60ml) whole milk*
• 2 Tablespoons (25g) granulated sugar
• 1 Tablespoon (14g) unsalted butter, cold and cubed
• 1 teaspoon pure vanilla extract
• 1 Tablespoon (14g) unsalted butter
• 2 Tablespoons (30ml) water
• 1 cup (120g) confectioners’ sugar
• 2 Tablespoons (10g) unsweetened natural or dutch-process cocoa powder
• 1 teaspoon pure vanilla extract
• optional: sprinkles for garnish