Classic French Fruit Tart - Once Upon a Chef

Ingredients

• 1 recipe pâte sucrée (sweet tart dough)
• 2 cups whole milk (do not substitute low-fat or skim milk)
• ½ cup sugar
• 3 tablespoons cornstarch
• 1 large egg
• 2 large egg yolks
• 3 tablespoons unsalted butter, cut into pieces
• 2 teaspoons vanilla extract
• About 4 cups fresh mixed berries of choice, plus other fruits, such as sliced kiwi or mango (see note)
• ¼ cup apricot jam