1: In a bowl, mix the softened butter with powdered sugar until fully absorbed.
2: Add the egg yolk and milk, mixing well.
3: Incorporate almond flour and regular flour, first with a spoon and then knead with your hands until smooth.
4: If possible, form a ball, wrap it in plastic wrap, and refrigerate for 10 minutes. If short on time, proceed immediately, though it may be a bit stickier.
5: Form small balls using your hands and place them on a baking tray lined with parchment paper.
6: Bake in a preheated oven at 180°C for about 20 minutes until they start to brown on top.
7: Remove from the oven and let cool completely, then coat in powdered sugar and serve with tea or coffee after lunch.
