Pour the heavy cream into a saucepan and place over medium heat. While the cream is heating, slice the vanilla bean in half lengthwise, using a sharp paring knife. Separate the seeds from the skin by scraping the bean with the knife. Place the seeds and skin in the heating cream. Gently heat up the cream until bubbles start to form around the edge of the pan. Remove from the heat and remove the vanilla bean.
In a large mixing bowl, whisk together the whole egg, egg yolks, and maple syrup until well blended. Continue to whisk while slowly pouring the hot cream into the egg mixture and whisk until the mixture is smooth and homogenous in color. Strain the custard to have a completely smooth preparation.
Place the molds on a baking sheet with 1-inch-high sides and fill them.
If you have a convection oven just bake them as it is, if not you need to bake them into hot water. Pour enough water into the baking sheet to reach halfway up the sides of the molds. If you are using a convection oven, however, a water bath is not needed because the even circulation of the air insulates the custard from the direct heat.
Bake for approximately 40 minutes.
Remove the molds from the water bath and place on a cooling rack for 30 minutes. Then put in the fridge to let it set for at least 2 hours (or for to 3 days) before serving.
Preheat the broiler.
Place the molds on a clean baking sheet. Sprinkle 2 teaspoons of the sugar over the top of the custards. When the broiler is hot, place the sheet about 4 inches under the broiler and broil until the sugar is caramelized. Keep a close eye on the creme brulee during broiling. They are finished when they are light brown. Place each mold on a small dessert plate and serve immediately.
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