Pai Kue Maple Gula Merah

Bahan-bahan (8 porsi)

• 1 pie crust round ((homemade recipe below))
• 1 egg, beaten, for brushing
• vanilla sugar or coarse sugar, for sprinkling ((optional))
• 4 tablespoons salted butter
• 1 cup light or dark brown sugar
• 2 large eggs
• 1 egg yolk
• 1/3 cup maple syrup
• 1/3 cup heavy cream
• 2 teaspoons vanilla extract
• 1 - 1 1/2 cups semi-sweet chocolate chips or chunks
• flaky sea salt
• 1 cup heavy cream
• 1 tablespoon real maple syrup
• 2 teaspoons vanilla extract