Hazelnut Chocolate Crumble Bars are a soft chocolate cookie base with a melting Nutella filling and topped with a chocolate and hazelnut crumble. #hazelnutcrumble #nutellabars #chocolatehazlenutslice #crumblebars
Hazelnut Chocolate Crumble Bars
Prep Time
20 mins
Cook Time
20 mins
Total Time
40 mins
 

A soft chocolate cookie base with a melting Nutella filling and topped with a chocolate and hazelnut crumble. 

Course: Dessert, Snack
Cuisine: American
Keyword: Chocolate, Hazelnut Chocolate Crumble, Hazelnut Chocolate Crumble Bars, Hazelnut Curmb Bars, Nutella, Nutella Bars, Nutella Slice
Servings: 16 Pieces
Calories: 299 kcal
Author: Emma Burton
Ingredients
Base;
  • 110 g Butter, Softened (1/2 Cup)
  • 1/2 Cup Brown Sugar
  • 1/4 Cup Sugar
  • 1 Large Egg
  • 1 tsp Vanilla Extract
  • 1/4 Cup Cocoa
  • 1 Cup All Purpose Flour
  • 1 tsp Baking Powder
  • 1/2 tsp Baking Soda
Middle;
  • 3/4-1 Cup Nutella
  • 50 g Chocolate Buttons
Crumble;
  • 1 Tbsp. Cocoa
  • 70 g *Roasted Hazelnuts, Crushed
  • 1/3 Cup All Purpose Flour
  • 1/4 Cup Rolled Oats
  • 1/4 Cup Brown Sugar
  • 80 g Butter, Melted
Instructions
  1. Preheat the oven to 180°C (350°F) and line an 8x8 baking pan with baking paper and set aside.

  2. Beat the butter, brown sugar and sugar together until light and fluffy.

  3. Beat in the egg and vanilla extract.

  4. Beat in the cocoa, flour, baking soda and baking powder until all combined.

  5. Press into the base of your prepared tin.

  6. Spread over the Nutella (how much you use depends on personal taste) and sprinkle over the chocolate buttons.

Crumble;
  1. Place the cocoa, crushed hazelnuts, flour, rolled oats and brown sugar together.

  2. Pour over the melted butter and mix to a crumble texture.

  3. Sprinkle over the crumble and place in the oven for 20-25 minutes.

Recipe Notes

*To roast the hazelnuts, heat the oven to 180°C and place the hazelnuts on a tray or in a large dish and place in the oven for around 10 minutes. The smell will be nutty and the hazelnuts will be slightly darker. Remove from the oven and allow them to cool before peeling the skins off and crushing them.