Grapefruit Gingersnap Pie

This tangy Grapefruit Gingersnap Pie is a riff on my popular CRANBERRY GINGERSNAP PIE, which was just too good to let alone ~ this sunny mid-winter dessert wows everybody!

I had my first perfect tangerine of the season the other day, and that kick started my annual love affair with citrus.  Citrus fruit is endlessly inspiring to me as an eater and as a cook.  I love those juicy flavors and cheery colors, I love all the new varieties that have come out lately, and I love that it bursts into season in the dead of winter.  Who cares that we can’t have ripe tomatoes or masses of backyard basil right now ~ we’ve got bright juicy citrus!

This pie starts with an unusual gingersnap walnut crumb crust ~ it’s sweet and spicy at the same time, and so good that I’m always on the lookout for an excuse to make one.  It’s just as easy to make as a regular crumb crust, but the flavor is so much better.   You can crush any crisp gingersnap cookie you like, but I’m partial to the super thin ones from Sweden.   If you can’t find them, most stores carry some type of gingersnap year round.

I pat the crust into my pie plate with a light hand, I like the textural quality of a ragged top edge, and I don’t want the crust to be too compacted, but that’s a personal choice.  I bake it for a few minutes to set it, and that’s all the oven time this pie requires.

The silky grapefruit filling is cooked on the stove, and sets up as the pie chills in the refrigerator.

If you follow this blog you probably know how much I love citrus curds of all kinds.  If you’re a fan of my MICROWAVE CITRUS CURD method you might be wondering why I don’t use that super easy technique here.  For this pie I want the filling to be on the firmer side, and my microwave curd has a softer set.   Cooking this curd on the stove top with cornstarch as well as the eggs makes it more sturdy for slicing.

You’ll need 1 3/4 cups of fresh squeezed pink or ruby red grapefruit juice for this recipe.  For me that was 2 nice big grapefruits.  The addition of lemon juice adds some tang, but also serves to enhance the flavor of the grapefruit.

Just look at that cheery color!

I’m not really sure why I garnished this pie with a sprig of thyme, I just thought it looked pretty.  You could use grapefruit zest, or just leave well enough alone.

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4.28 from 22 votes

Grapefruit Gingersnap Pie

This tangy Grapefruit Gingersnap Pie is a riff on my popular CRANBERRY GINGERSNAP PIE, which was just too good to let alone ~ this sunny mid-winter dessert wows everybody!

Course Dessert

Cuisine American

Prep Time 25 minutes

Cook Time 10 minutes

Chill time 4 hours

Yield 10 servings

Ingredients

crust

• 5 ounces gingersnaps
• 1 cup walnuts
• 3 Tbsp brown sugar
• 4 Tbsp butter, melted

filling

• 1 cup sugar
• 4 Tbsp cornstarch
• pinch of salt
• 4 egg yolks
• 1 1/2 cups freshly squeezed pink or ruby red grapefruit juice, (not bottled!) strained to remove seeds and pulp
• 1/4 cup freshly squeezed lemon juice
• tiny drop of pink gel food coloring
• 5 Tbsp butter, cut in 5 pieces

Instructions

• Preheat oven to 350F
• Put the gingersnaps in a food processor and process until they are fine crumbs (This should be about a heaping cup, in case you're using ready made crumbs) Add the walnuts, and sugar and process again until everything is finely ground. Add the butter and process briefly to combine.
• Pat the crust into a 9 inch pie plate, and up the sides. Bake for 10-12 minutes. Set aside to cool.
• Put the sugar, cornstarch, salt, and egg yolks in a saucepan with a heavy bottom and whisk to combine and break up the yolks. Whisk in the juices and add the tiniest bit of food coloring to enhance the pink tone. Less is more when it comes to the coloring, and the pink will deepen as the curd thickens.
• Heat the mixture on medium heat, whisking or stirring constantly, until it comes to a boil. Boil for one minute exactly (set the timer.)
• Take off the heat and whisk in the butter pieces, the mixture will be thick and glossy.
• Strain the curd though a mesh strainer if you like, the step is optional, but will remove any little bits of curdled egg. Fill the pie shell immediately, the curd will start to set fairly quickly.
• Let cool and then refrigerate, uncovered, at least 4 hours to let it fully chill and firm up.

Make it your own ~

• Make it ahead: the whole pie can be made and kept in the refrigerator the day ahead.  Cover it loosely.
• Any firm curd will work in this recipe so feel free to experiment.  Lemon and gingersnaps work particularly well, see my LEMON CRUNCH BARS.
• Any crisp cookie will work for the crumb crust like graham crackers, of course, but there’s no reason you couldn’t use chocolate wafers, too.
• For a nut free crust, just omit the walnuts and add a few more gingersnaps.