INGREDIENTS

• 200gr butter or margarine
• 300gr sugar
• 6 eggs (use the 4 whole eggs and from the other 2 only the egg whites. That 2 yolks you will use them to cover the cookies before baking them)
• 1kgr all-purpose flour
• 1 tsp baking powder
• an orange zest
• 100gr milk (lukewarm)
• 30gr ammonia (culinary)

METHOD

1. Beat with electric mixer the butter with the sugar until it whitens and swells.
2. Add one by one the 4 eggs, 2 egg whites and whisk gently.
3. Add 1 to 2 tablespoons of flour and add the orange zest and baking powder.
4. Dissolve ammonia in warm milk, stirring well and quickly so that it inflates.
5. Continue beating with the mixer adding flour and milk alternately until they finish.
6. At the end knead by hand until the dough becomes soft and not to stick on your hands. (it may take some more flour)
7. Mold in any shape you want, place them on an unsticking paper on a baking tray, spread with the egg yolks we have kept an the cookies and bake in moderate oven for 20 minutes.

TIP: The yolks that you use on spreading, you can dilute with some water.