Tonka Bean Ice Cream, Hazelnut Chocolate, Cookies and Brittle

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Preparation info

  • Difficulty

    Complex

  • Serves

    6-8

Appears in

Bistronomy

By Katrina Meynink

Published 2014

  • About

You will need to begin this recipe one day ahead.

Ingredients

  • 12 egg yolks
  • 150 g ( oz) sugar
  • 300 ml (10½ fl oz) milk
  • 700 ml (24 fl oz) thin (pouring) cream
  • 1 tonka bean (grated)

Chocolate Cookies

  • 225 g (8 oz/ cups) plain (all-purpose) flour
  • 80 g ( oz/¾ cup) cocoa powder
  • 220 g ( oz/1 cup) caster (superfine) sugar
  • ¼ teaspoon salt
  • ¼ teaspoon bicarbonate of soda (baking soda)
  • 200 g (7 oz) butter, cubed, softened
  • 3 teaspoons milk
  • 1 vanilla bean, seeds scraped

Hazelnut Chocolate Cream

  • 80 g ( oz) caster sugar
  • 400 g (14 oz) double (heavy) cream
  • 200 g (7 oz) hazelnuts, toasted
  • 175 g (6 oz) dark chocolate, finely chopped

Hazelnut Brittle

  • vegetable oil, for greasing
  • 220 g ( oz/1 cup) caster sugar
  • 60 g ( oz) butter
  • 50 ml ( fl oz) rice syrup
  • 225 g (8 oz) hazelnuts, roasted, roughly chopped

Method

Using an electric mixer, whisk the egg yolks and sugar for 2–3 minutes on high speed until pale. Combine the milk, cream and tonka bean in a heavy-based saucepan, bring to the boil over medium heat, then pour in the egg yolk mixture, whisking to combine. Strain into a clean saucepan and cook over low heat, stirring constantly until the mixture coats the back of a spoon. Strain into a bowl placed over an ice bath, then stir occasionally until chilled. Freeze in an ice-cream machine according to the manufacturer’s instructions. Freeze for 6 hours or overnight.

Preheat the oven to 175°C 345°F/Gas 3–4. Mix all the dry ingredients for the chocolate cookies in a large bowl. Incorporate the butter then add the milk and vanilla seeds, stirring until well combined. Turn out the mixture onto a large sheet of plastic wrap and roll into a 5 cm (2 inch) diameter log. Wrap tightly and refrigerate for 2 hours. Thinly slice into 3 cm ( inch) slices. Lay the slices on a large baking tray lined with baking paper and bake for about 10–15 minutes, or until just cooked through.

To make the hazelnut chocolate cream, put the sugar in a saucepan with 1 tablespoon of water and place over medium heat. Heat until the sugar dissolves, bring to the boil and cook for 4–5 minutes until caramelised. Add the cream (be careful, hot caramel will spit) and whisk to combine. Working quickly, add the hazelnuts, then pour the mixture into a blender and blend until smooth. Pour the warm mixture over the chopped dark chocolate in a bowl, and stir until the chocolate has melted and the ingredients are thoroughly combined.

To make the brittle, brush a baking tray with vegetable oil and set aside. Combine the sugar, butter, rice syrup and 75 ml ( fl oz) of water in a saucepan over high heat and cook for 20–30 minutes until golden and caramelised, stirring occasionally to prevent the caramel from sticking to the base. Add the hazelnuts, stir to combine and pour onto the prepared tray. Set aside in a cool, dark place for 1 hour to cool and set. When set, break into pieces and set aside until serving. Brittle will keep in an airtight container in a cool, dry, dark place for 2–3 days.

To assemble, thickly smear the hazelnut chocolate cream on a serving plate. Scoop generous quenelles of the tonka bean ice cream on top. Scatter with pieces of the hazelnut brittle and crumble chocolate cookies over the top.