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Icelandic Christmas Cookies “Marens-Kornflexkökur” Recipe

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4.5 from 101 reviews

Delight in the crisp and sweet Icelandic Christmas Cookies known as Marens-Kornflexkökur. These festive treats combine fluffy meringue with crunchy chocolate corn flakes for a light, airy cookie that melts in your mouth. Perfect for holiday celebrations or a sweet snack, these cookies are simple to make with just egg whites, sugar, chocolate chips, corn flakes, and vanilla bean paste.

Ingredients

For the Meringue Cookies

  • 2 egg whites
  • 3.53 oz (100 g) sugar
  • 2.30 oz (65 g) dark chocolate chips
  • 1.24 oz (35 g) corn flakes (preferably chocolate corn flakes)
  • 1 tsp (5 g) vanilla bean paste

Instructions

  1. Prepare the baking sheet: Place a large Bonmat on top of your large perforated baking sheet and set aside to prevent sticking and allow even baking.
  2. Make the meringue: Using an electric mixer, beat the egg whites while gradually adding the sugar until stiff peaks form, which should take about 6 minutes. This creates a stable and airy base for the cookies.
  3. Fold in the mix-ins: Gently fold the corn flakes, dark chocolate chips, and vanilla bean paste into the meringue mixture to incorporate them evenly without deflating the meringue.
  4. Form the cookies: Scoop large tablespoons of the meringue mixture onto the prepared Bonmat, spacing them adequately to allow spreading during baking.
  5. Bake: Preheat your oven to 300°F (150°C). Bake the cookies for approximately 15 minutes, checking them from 12 minutes onward to ensure they turn crisp on top without burning. The meringue may collapse when removed from the oven, which is normal.
  6. Cool and serve: Allow the cookies to cool completely on the baking sheet. Once cooled, transfer them onto a serving plate or store them in a metal tin where they will remain fresh for up to 3 days. Enjoy these festive Icelandic treats during the holiday season.

Notes

  • The meringue cookies will appear firm when baked but may collapse slightly once removed from the oven, which is expected and does not affect taste.
  • Use a perforated baking sheet and silicone baking mat (Bonmat) to ensure even airflow and prevent sticking.
  • Monitor baking closely as oven temperatures vary; adjust baking time as needed to achieve crispness without browning.
  • Store cookies in an airtight metal tin to keep them fresh for up to 3 days.
  • Chocolate corn flakes add a delightful flavor contrast, but you can substitute with regular corn flakes if necessary.