Epimeles — Cranberry Tart

Ingredients

• 1 pound (455 grams/4 cups) fresh or frozen cranberries
• 1 1/4 cups (250 grams) granulated sugar
• Finely grated zest and juice of 1 orange (about 1 tablespoon zest and 1/2 cup juice)
• One (2-inch) piece fresh ginger, peeled and thinly sliced
• Pinch fine sea salt or table salt
• 3 large egg yolks
• 2 teaspoons cornstarch
• 4 tablespoons (55 grams) unsalted butter, cut into 4 pieces and at room temperature