01 - Preheat oven to 350°F. Lightly grease a 2-quart baking dish or six 6-oz ramekins.
02 - Whisk together pumpkin puree, whole milk, eggs, heavy cream, brown sugar, granulated sugar, and vanilla extract in a large mixing bowl until smooth.
03 - Add pumpkin pie spice, cinnamon, and salt. Whisk until fully blended.
04 - Pour mixture into prepared baking dish or divide evenly among ramekins.
05 - Place dish or ramekins in a larger roasting pan. Fill pan with hot water halfway up sides to create a water bath.
06 - Bake for 40-45 minutes until set but slightly wobbly in center.
07 - Remove from oven and carefully take out of water bath. Cool at least 15 minutes before serving warm, or chill for cold dessert.