Heat oven to 325℉.
Line a 12 inch x 18 inch pan with a kitchen towel. Set aside.
In a medium saucepan, combine cream, pumpkin, 3 Tablespoons sugar, and salt.
Bring just to a boil.
Remove from heat.
In a medium bowl, whisk together egg yolks and remaining 3 Tablespoons sugar.
Temper the egg mixture by whisking the hot milk mixture into the egg mixture in small amounts.
Stir in vanilla.
Strain custard using a fine mesh sieve.
Ladle into 5 ounce ramekins, filling each ¾ full.
Place ramekins in prepared pan.
Add boiling water to pan filling half way up the sides of the ramekins.
Bake for 20-25 minutes, or until just set.
Allow to cool in water bath.
Remove from water bath.
Cover and refrigerate at least 6 hours or overnight.
When ready to serve, top each custard with 1 Tablespoon granulated sugar.
Use a kitchen torch or oven broiler to brûlée sugar.