Chocolate Eclairs

Ingredients (19)

• FOR THE CHOCOLATE FILLING:
• 2 cups whole milk
• 4 large egg yolks
• 6 tbsp sugar
• 3 tbsp cornstarch
• Kosher salt
• 7 oz. bittersweet chocolate
• 2 1/2 tbsp unsalted butter
• FOR THE PASTRY DOUGH:
• 1/2 cup whole milk
• 1/2 cup water
• 8 tbsp 1 stick unsalted butter, cut into 4 pieces
• 1 tbsp sugar
• 1/2 tsp salt
• 1 cup all-purpose flour
• 4 large eggs
• FOR THE GANACHE:
• 3/4 cup heavy cream
• 3/4 lb 12 oz. bittersweet chocolate, finely chopped (a food processor works best)