Buttermilk Panna Cotta with Rhubarb-Strawberry Jelly

Name: Buttermilk Panna Cotta with Rhubarb-Strawberry Jelly
Total time: 8 h 5 min
Yield: 8 servings
Ingredients: 1¼ teaspoons unflavored powdered gelatin; 1¼ cups heavy cream; ⅓ cup sugar; ¼ teaspoons kosher salt; ¼ whole vanilla bean; 1¼ cups buttermilk; 1 cup crème fraîche or sour cream; 6 ounces strawberries; ¼ cup sugar; 12 ounces rhubarb; ½ teaspoons unflavored powdered gelatin

A delicate Italian-style dessert featuring creamy buttermilk panna cotta topped with a vibrant rhubarb and strawberry jelly. This elegant dessert combines the tanginess of buttermilk with the sweetness of seasonal fruits.

8 servings

8 hr 5 min

Published October 4, 2025

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Ingredients

•1¼ teaspoons unflavored powdered gelatin
•1¼ cups heavy cream
•⅓ cup sugar
•¼ teaspoons kosher salt
•¼ whole vanilla bean
•1¼ cups buttermilk
•1 cup crème fraîche or sour cream
•6 ounces strawberries
•¼ cup sugar
•12 ounces rhubarb
•½ teaspoons unflavored powdered gelatin

Cooking Instructions

1.
Place 1/4 cup cold water in a small bowl and sprinkle gelatin over; let stand until softened, about 10 minutes.
10 min
2.
Meanwhile, combine cream, sugar, and salt in a small saucepan; scrape in seeds from vanilla bean and add pod. Bring just to a simmer. Add softened gelatin and stir until dissolved. Remove cream mixture from heat; let cool.
15 min
3.
Remove vanilla pod from cream mixture; discard. Whisk in buttermilk, then crème fraîche. Divide mixture among eight 6-ounce jars, ramekins, or glasses. Chill until set, at least 2 hours.
120 min
4.
Place strawberries, sugar, and 2 1/2 cups rhubarb in a medium heatproof bowl; stir to combine and cover tightly with plastic wrap, crimping plastic wrap just under rim of bowl. Set bowl over a saucepan of simmering water (plastic wrap should not touch saucepan) and cook, without stirring, until mixture looks pale and soft, 40-45 minutes.
45 min
5.
Strain mixture through a fine-mesh sieve into a measuring cup (do not push mixture through or jelly will be cloudy); discard solids. Add water, if needed, so liquid measures 1 cup.
10 min
6.
Place 2 tablespoons cold water in a small bowl and sprinkle gelatin over; let stand until softened, about 10 minutes.
10 min
7.
Meanwhile, bring rhubarb-strawberry liquid to a boil in a small saucepan. Add remaining 1/2 cup rhubarb and cook, stirring occasionally, until tender, about 3 minutes; remove from heat.
5 min
8.
Add softened gelatin to saucepan and stir until dissolved. Let jelly cool completely.
30 min
9.
Top chilled panna cotta with jelly, dividing equally. Cover and chill until jelly is firm, 2-4 hours.
240 min
10.
DO AHEAD: Panna cotta can be made 3 days ahead. Keep chilled.

Cooking Instructions

Place 1/4 cup cold water in a small bowl and sprinkle gelatin over; let stand until softened, about 10 minutes.

10 min

Meanwhile, combine cream, sugar, and salt in a small saucepan; scrape in seeds from vanilla bean and add pod. Bring just to a simmer. Add softened gelatin and stir until dissolved. Remove cream mixture from heat; let cool.

15 min

Remove vanilla pod from cream mixture; discard. Whisk in buttermilk, then crème fraîche. Divide mixture among eight 6-ounce jars, ramekins, or glasses. Chill until set, at least 2 hours.

120 min

Place strawberries, sugar, and 2 1/2 cups rhubarb in a medium heatproof bowl; stir to combine and cover tightly with plastic wrap, crimping plastic wrap just under rim of bowl. Set bowl over a saucepan of simmering water (plastic wrap should not touch saucepan) and cook, without stirring, until mixture looks pale and soft, 40-45 minutes.

45 min

Strain mixture through a fine-mesh sieve into a measuring cup (do not push mixture through or jelly will be cloudy); discard solids. Add water, if needed, so liquid measures 1 cup.

10 min

Place 2 tablespoons cold water in a small bowl and sprinkle gelatin over; let stand until softened, about 10 minutes.

10 min

Meanwhile, bring rhubarb-strawberry liquid to a boil in a small saucepan. Add remaining 1/2 cup rhubarb and cook, stirring occasionally, until tender, about 3 minutes; remove from heat.

5 min

Add softened gelatin to saucepan and stir until dissolved. Let jelly cool completely.

30 min

Top chilled panna cotta with jelly, dividing equally. Cover and chill until jelly is firm, 2-4 hours.

240 min

10.

DO AHEAD: Panna cotta can be made 3 days ahead. Keep chilled.