Gluten free amaretti cookie sandwiches filled with homemade lemon buttercream

Amaretti Cookie Sandwiches {with Lemon Buttercream}

How to make amaretti cookie sandwiches filled with homemade lemon buttercream. ?

Some of you may remember my recent post about homemade amaretti cookies… well, I came up with a really dangerous version… so dangerously delicious (and caloric ?) and guys, the result was incredible!

I made the buttercream with fresh lemon juice as well as a lot of zest and it went so well with the amaretti flavour, such a perfect flavour combination. Of course feel free to experiment – I have a bunch of flavours that I’m looking forward to testing – but this is a must try! ?

If you missed my amaretti biscuits post and want to know how to make them from scratch, you can find it {here} along with the instructions and some fail-proof tips to make meringue. The only differences is that I doubled up the recipe this time, added a bit less ground almonds for a slightly softer texture and I flattened the cookies a little straight after cooking to make them more suitable for cookie sandwiches. ?

Gluten free amaretti cookie sandwiches filled with a homemade lemon buttercream

Amaretti Cookie Sandwiches Recipe:

Amaretti Cookie Sandwiches {with Buttercream}
Prep time
Cook time
Total time
How to make amaretti cookie sandwiches filled with homemade lemon buttercream. A quick and delicious, must-try naturally gluten free dessert!
Recipe type: Baking
Cuisine: Italian
Serves: 9 amaretti cookie sandwiches
For the amaretti cookies
  • 160g ground almonds
  • 2 egg whites (60g)
  • 150g caster sugar
  • 2 tsp almond extract
  • 1 tsp vanilla extract (optional)
  • A few Tbsp icing sugar (to roll the cookies in)
For the lemon buttercream
  • 75g unsalted butter
  • 170g icing sugar
  • A few Tbsp freshly squeezed lemon juice
  • Lemon zest

COOKING TIME: 15-20mins

*Use soft room temperature butter for the buttercream.


How to make amaretti cookies / gluten free amaretti cookie sandwiches with homemade lemon buttercream


Make the amaretti cookies

  1. Preprare and bake the cookies {INSTRUCTIONS HERE}.
  2. As soon as you take them out of the oven, slightly flatten them with a fork just to make them more suitable for cookie sandwiches.
  3. Let them cool down fully before carrying on with the next steps.


Prepare the Buttercream:

  1. For the best results, leave the butter sitting out at room temperature for a few hours or overnight until it’s soft. Otherwise you can also soften it up in the microwave (in 5-10 seconds increments), but in my experience it’s harder to get the right consistency this way (it can easily end up too soft/slightly melted). If it does happen, put it in the fridge for 5-10 minutes. Starting with the right butter consistency is the key to a perfect buttercream.
  2. With a handheld or stand mixer, mix the butter on medium speed for a few minutes until smooth, creamy and lighter in colour. Note: use a spatula to scrape the sides from time to time.
  3. Sift the icing sugar to get rid of any lumps and add it to the whipped butter, little by little, and mix on low/medium speed for a few minutes.
  4. Add the lemon juice and a generous amount of zest, little by little, until you reach your desired flavour (still mixing on low speed).


Make the Amaretti Cookie Sandwiches:

  1. Spoon the buttercream into a piping bag with a large nozzle and pipe it on the bottom of the cookies in a circular motion.


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