Heat heavy cream in a small pot over medium-low heat until it just barely comes to a boil.
Place your eggs yolks, vanilla, sugar, and orange zest into a bowl. Mix well.
Now, you need to temper your egg yolks. You cannot just dump the hot cream in or it will cook the eggs.
Slowly drizzle the cream in while whisking constantly. Once you have about a cup of the cream in, you can add it faster.
Divide the custard between the 4 ramekins.
Cover them tightly with tinfoil, being careful not to press it onto the custard.
Place about 1 cup of water in your pressure cooker. Then add in your trivet.
Place 2 ramekins in the pressure cooker, unless you have a large one, then you can all of them in.
Cover and seal the lid.
Set it on low pressure and cook for 7 mnutes.
Do the natural release for 7 minutes. Then finish releasing the pressure and remove the lid. Carefully remove the ramekins. I used a long set of tongs I have to do this. Place them on a cooling rack.
Once they have cooled at room temp for about 20-30 minutes, place them in the fridge and let them chill for at least 4 hours, but up to 12.
Then dust them with about 1-2 teaspoons of granulated sugar.
With a torch, or using the broiler, caramelize the sugar.
I topped mine with some fresh blackberries, but they are just as delicious just as they are!
These will hold well in the fridge for at least 2 days.
Now, sit back and enjoy. You deserve it.