Milk Chocolate-Pistachio Tart

Ingredients

• vegetable oil cooking spray, for pan
• 3/4 cup all-purpose flour, plus more for surface
• 1/4 cup unsweetened cocoa powder
• 1/3 cup unsalted shelled pistachios, chopped
• salt
• 1 stick unsalted butter, room temperature
• 1/4 cup sugar
• 1/2 teaspoon pure vanilla extract
• 1/2 cup unsalted shelled pistachios
• 1/4 cup sugar
• salt
• 1 teaspoon safflower oil
• 5 ounces milk chocolate, chopped
• 1/2 cup heavy cream
• 1/4 cup whole milk
• 1 large egg, beaten