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close up of yo yo cookies
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5 from 19 votes

Yo Yo Cookies

A classic Australian buttery sandwich cookie, filled with a tangy lemon frosting
Prep Time15 minutes
Cook Time10 minutes
Course: Afternoon Tea, Dessert, Snack
Servings: 14

Equipment

Ingredients

Cookies

  • 300 g Plain Flour
  • 300 g Unsalted Butter room temperature
  • 100 g Icing Sugar
  • 100 g Custard Powder
  • ½ tsp Vanilla Extract

Filling

  • 60 g Unsalted butter room temperature
  • 200 g Icing sugar
  • 1-2 tbsp Lemon juice freshly squeezed

Instructions

Melting Moment Cookies

  • Pre heat oven to 170°C/340°F or 160°FF
  • Add cookie ingredients to the bowl of a stand mixer
  • Beat on low, then increase speed to medium, mixing until smooth
  • Roll mixture into small balls and place on a lined cookie tray (I use a 1 tablespoon ice cream scoop, to ensure my cookies are the same size). Leave space for cookies to spread slightly
  • Gently press each cookie ball down slightly with a fork
  • Bake for 12-15 minutes
  • When cooked, remove from oven and gently slide paper off the tray onto a cake cooling rack, allowing the cookies to cool
  • While cookies are cooling, make the filling

Lemon Frosting

  • Place all 3 ingredients into a mixing bowl, starting with 1 tablespoon of lemon juice
  • Mix on low, then increase speed, until the filling is smooth and a spreadable consistency. Add a little more juice if required
  • Transfer piping to a piping bag fitted with a large (8B 1A or 1M piping tip)
  • Pipe filling onto half of the cooled cookies, then sandwich together with the other half

Notes

  • You can also use a small 2 teaspoon scoop to make smaller cookies.  It should yield around 24 sandwich cookies
  • Yo Yo Biscuits can be eaten straight away, or left for an hour or two to allow the filling to harden a little
  • Yo Yos will stay fresh for up to 1 week in an airtight container at room temperature