Vanilla and Hazelnut King Cake
Vanilla and Hazelnut King Cake is a medium French recipe that serves 8. 350 calories per serving. Recipe by Once Upon a Pastry on YouTube.
Prep: 35 min | Cook: 1 hr 7 min | Total: 1 hr 42 min
Cost: $14.40 total, $1.80 per serving
Ingredients
- 2 feuilles Semi‑quick puff pastry (Approximately 250 g each, keep very cold)
- 500 ml Whole milk (To heat then infuse with vanilla)
- 1 Vanilla bean (Split in half, seeds will be infused in the milk)
- 4 Egg yolks (Medium‑size eggs)
- 100 g Granulated sugar
- 30 g Cornstarch (Sift with the flour)
- 30 g All‑purpose flour (Sift)
- 150 g Shelled hazelnuts (Dry‑roasted then ground into powder)
- 80 g Unsalted butter (At room temperature, softened)
- 1 Fève (figurine) (Place in the filling before sealing the cake)
- 1 Egg for glazing (Lightly beaten)
- 1 c. à soupe Water (To moisten the pastry edges)
Instructions
Prepare the puff pastry
Roll out one sheet of puff pastry into a 22 cm diameter disc, then place it in the refrigerator.
Time: PT5M
Infuse the vanilla
Split the vanilla bean, place it in the milk and let infuse off the heat for 1 hour.
Time: PT1H
Mix the dry ingredients for the pastry cream
In a bowl, whisk the egg yolks with the sugar, add the cornstarch and sifted flour, then mix.
Time: PT5M
Cook the pastry cream
Pour the hot vanilla‑infused milk over the egg mixture while whisking, return everything to the saucepan and heat over medium heat until thickened.
Time: PT10M
Temperature: 180°C
Cool the pastry cream
Transfer the cream to a container, cover with plastic film in contact and let cool at room temperature then place in the refrigerator.
Time: PT30M
Toast the hazelnuts
Spread the hazelnuts on a baking sheet and toast dry for 5 to 10 minutes at 180°C, stirring halfway through.
Time: PT10M
Temperature: 180°C
Grind the hazelnuts
Let the toasted hazelnuts cool, then blend until a fine powder is obtained.
Time: PT2M
Prepare the hazelnut cream
In a bowl, mix the eggs, sugar, hazelnut powder and softened butter until a homogeneous paste is obtained.
Time: PT5M
Incorporate the pastry cream
Add the well‑chilled pastry cream to the hazelnut cream and mix gently.
Time: PT3M
Put the filling in a piping bag
Transfer the filling into a piping bag fitted with a plain tip.
Time: PT2M
Form the filling disc
On a sheet of parchment paper, pipe a disc of 18 cm diameter, then place in the freezer for 1 hour.
Time: PT1H
Assemble the cake
Lay the first pastry disc on the work surface, place the filling disc in the centre, add the fève, brush the edges with water, cover with the second pastry disc and seal the edges by pressing firmly.
Time: PT10M
Trim the edges
With a long‑blade knife held vertically, cut all around the cake to remove excess pastry.
Time: PT2M
Rest in the refrigerator
Place the assembled cake in the refrigerator for 1 hour to rest properly.
Time: PT1H
Egg wash and second rest
Brush the cake with beaten egg, return to the refrigerator for 10 minutes, repeat the operation and let another 10 minutes in the cold.
Time: PT20M
Draw the vents
Make 4 to 5 small incisions (vents) distributed over the surface of the cake using a knife or a tip.
Time: PT5M
Bake
Preheat the oven to 200°C, bake the cake and cook for 25 minutes until well golden.
Time: PT25M
Temperature: 200°C
Rest before serving
Let the cake warm slightly for 10 minutes before cutting and serving.
Time: PT10M
Nutrition Facts
- Calories
- 350
- Protein
- 5 g
- Carbohydrates
- 40 g
- Fat
- 20 g
- Fiber
- 2 g
Dietary info: Vegetarian, low-calorie
Allergens: Gluten, Eggs, Milk, Hazelnuts
Last updated: April 6, 2026






