Blackberry Gratin with Two Creams

Blackberry Gratin with Two Creams is a easy French recipe that serves 4. 540 calories per serving. Recipe by Once Upon a Time in Pastry on YouTube.

Prep: 20 min | Cook: 27 min | Total: 1 hr 2 min

Cost: $6.45 total, $1.61 per serving

Ingredients

  • 4 units Egg yolks (medium-sized eggs)
  • 80 g Granulated sugar
  • 200 ml Thick crème fraîche (minimum 30 % fat)
  • 1 tsp Ground cinnamon (optional)
  • 200 ml Whole liquid cream (30 % fat, very cold)
  • 300 g Fresh blackberries (washed and drained)
  • 30 g Brown sugar (for gratinating)

Instructions

  1. Prepare ingredients and equipment

    Gather all ingredients, measure the quantities and preheat the oven to 180°C. Prepare the ramekins and the baking sheet.

    Time: PT5M

  2. Whisk egg yolks and sugar

    In the bowl, whisk the egg yolks with the granulated sugar on medium speed until the mixture becomes pale and fluffy.

    Time: PT5M

  3. Add crème fraîche and cinnamon

    Add the thick crème fraîche and cinnamon (if using) to the previous mixture and stir gently until homogeneous.

    Time: PT2M

  4. Whip the liquid cream into whipped cream

    Pour the very cold liquid cream into a clean bowl and whisk on high speed until soft peaks form.

    Time: PT5M

  5. Fold the whipped cream into the base

    Using a spatula, gently fold the whipped cream into the egg mixture by lifting the mass so it does not fall.

    Time: PT2M

  6. Place the blackberries in the ramekins

    Evenly distribute the washed blackberries at the bottom of each ramekin.

    Time: PT5M

  7. Pour the custard over the blackberries

    Fill each ramekin with the custard mixture up to about three quarters of the height.

    Time: PT2M

  8. Sprinkle brown sugar

    Evenly scatter the brown sugar over the surface of each gratin.

    Time: PT1M

  9. Bake

    Place the ramekins on the sheet and bake for 25 minutes at 180°C. The centre should be set but still slightly trembling.

    Time: PT25M

    Temperature: 180°C

  10. Caramelize (optional)

    If the brown sugar is not golden enough, place the ramekins under the broiler for 2 minutes, watching closely.

    Time: PT2M

    Temperature: 200°C

  11. Rest and serve

    Let cool for 10 minutes before serving. The gratin can be eaten hot or cold, according to your preference.

    Time: PT10M

Nutrition Facts

Calories
540
Protein
6 g
Carbohydrates
45 g
Fat
35 g
Fiber
4 g

Dietary info: vegetarian, gluten-free

Allergens: eggs, milk

Last updated: April 7, 2026

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Blackberry Gratin with Two Creams

Recipe by Once Upon a Time in Pastry

A creamy blackberry gratin, made with a double cream (thick crème fraîche and whipped liquid cream) and a thin layer of caramelized brown sugar. Easy and quick, it takes 20 minutes to prepare, cooks for 25 minutes and can be enjoyed hot or cold.

EasyFrenchServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
39m
Prep
25m
Cook
10m
Cleanup
1h 14m
Total

Cost Breakdown

$6.45
Total cost
$1.61
Per serving

Critical Success Points

  • Whisk egg yolks and sugar until pale and fluffy
  • Whip the liquid cream into a firm whipped cream
  • Baking: the centre should remain slightly trembling to avoid a grainy gratin
  • Caramelize the brown sugar to obtain a golden crust

Safety Warnings

  • Handle the hot oven with care; wear kitchen gloves for hot ramekins
  • Use pasteurized eggs if you are sensitive to salmonella risk

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