For the cookies
- 300 g soft flour
- 100 g icing sugar
- 1/2 tablespoon(s) cinnamon, powder
- 1 teaspoon(s) vanilla extract
- 1 pinch salt
- 250 g butter, frozen
- all-purpose flour, for the dough
For the glaze
- 2 egg whites, from medium eggs
- 1 pinch salt
- 480 g icing sugar, sieved
- lemon juice, of 1 lemon
- 1 tablespoon(s) water
- 1/4 teaspoon(s) yellow food coloring paste
- 1/4 teaspoon(s) blue food coloring paste
- 1/4 teaspoon(s) orange food coloring paste
To serve
- ice cream
- cookies