This might just be my new favorite ice cream. I really love any type of curd- lemon, passionfruit, blood orange… you name it and you’ll probably find it on this site somewhere. Just after school when I was working my brief stint as a pastry chef, we made lemon curd ice cream one night. It was as decadent as it sounds- rich and tangy with that custard flavor you only get from a curd. Much better than a regular lemon ice cream. I’ve been wanting to make it again ever since. What I particularly love about this version is that the grapefruit offers a slight bitterness in the background; not something you often taste in ice cream or even a regular curd. But it works really well here and balances the sweetness.
Don’t use a processed store-bought grapefruit juice to make this. It won’t taste right. The only exception can be found in some higher end grocers like Whole Foods. If the container says something like “100% fresh-squeezed grapefruit juice” you’re probably ok. Double check the ingredient list to make sure there are no additives or anything from concentrate. Trust me, I learned this lesson the hard way. The safest bet will always be juicing the grapefruit yourself.
- 2 whole eggs
- 3 egg yolks
- 1 cup sugar
- 3 tablespoons cornstarch
- 1¼ cup fresh squeezed grapefruit juice
- 4 ounces (1 stick) unsalted butter, cubed and at room temperature
- optional: 1 drop each of pink and red food coloring
- 1½ cup curd, chilled
- 1⅓ cup half and half, chilled
- 5 tablespoons confectioners sugar
- In a medium saucepan, whisk eggs, egg yolks and sugar together until smooth. Whisk the corn starch together with a bit of the grapefruit juice to create a slurry.
- Whisk the grapefruit juice and slurry into the egg mixture.
- Add the food coloring if using.
- Continue to whisk over medium heat until thick, 10-15 minutes. It should be the consistency of pudding. Make sure the whisk hits the bottom of the pot to keep the bottom from burning. This is less likely to happen if you use a heavy bottom saucepan.
- Remove from the heat and slowly whisk in pieces of the butter.
- Move the curd to a bowl and allow to chill in the refrigerator. It will continue to thicken as it cools.
- Store extra curd in the refrigerator with plastic wrap pushed directly against the curd to prevent a skin from forming.
- Whisk the curd and half and half together until well combined.
- Sift in one tablespoon of confectioners sugar at a time while whisking.
- Prepare according to your ice cream maker manufacturer’s instructions.
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