Chocolate Hazelnut Truffle Cake

'Truffle' refers to the ganache texture and rustic shape. This cake is essentially a huge baked chocolate bonbon. Hazelnut spread (praline) adds a silky depth.
🕒 Prep Time 35 mins
🍳 Cook Time 30 mins
Total Time 3 hrs 5 mins
🍽️ Servings 10 servings
🔥 Calories 590 kcal
🌍 Cuisine French / International

Ingredients

Equipment Needed

  • Double boiler
  • Cake pan
  • Whisk

Allergen Information

⚠️ Milk
⚠️ Egg
⚠️ Wheat
⚠️ Tree Nuts

Instructions

1

Preheat 350°F. Melt choc/butter.

Tip: Melt slowly.
2

Beat eggs, sugar, vanilla. Add choc mix.

Tip: Dissolved sugar = stability.
3

Sift flour, cocoa, salt. Fold.

Tip: Cocoa deepens flavor.
4

Bake 25-30 mins. Cool.

Tip: Dense cake, won't rise much.
5

Ganache: Heat cream, mix in hazelnut spread.

Tip: Emulsion is best when mixed centrally.
6

Pour over cake. Top with nuts.

Tip: Roasting enhances flavor.
7

Chill 2 hrs.

Tip: Ganache needs to set.

Recipe FAQ

Ganache too hard.
Ratio of choc/cream. More cream = softer. Take out of fridge before serving!
Split ganache.
Cream too hot or over-mixed. Fix with stick blender and drop of cold cream.

Ingredients

  • 10 oz Dark Chocolate (min 60%)
  • 2/3 cup Butter
  • 3/4 cup Sugar
  • 4 large Eggs
  • 3/4 cup All-Purpose Flour
  • 3/4 cup Hazelnut Spread (e.g., Nutella)
  • 3/4 cup Roasted Hazelnuts
  • 3/4 cup Heavy Cream
  • 2 tbsp Cocoa Powder
  • 1 tsp Vanilla Extract
  • 1 pinch Salt