1. Step 1: To prepare the Kinder Bueno, start by blending 100 grams of hazelnuts using a mixer.
2. Step 2: Once done, add powdered sugar and condensed milk, and mix well.
3. Step 3: Add milk and whisk well, then put the Kinder Bueno mixture in the freezer for 20 minutes.
4. Step 4: In another container, pour 1 tablespoon of Nutella and the previously chopped milk chocolate into small pieces. Microwave for a few seconds.
5. Step 5: Now you should have a container or a mold in the shape of a Kinder Bueno. If not, you can create this rectangular shape using cardboard and use it.
6. Step 6: Pour a spoonful of chocolate into it.
7. Step 7: Cut the wafers into small pieces and add a piece to each rectangle to recreate the Kinder Bueno.
8. Step 8: Wait for the chocolate to harden a bit, then add the pre-prepared hazelnut cream.
9. Step 9: Cover everything with chocolate and let it rest in the refrigerator.
10. Step 10: Finally, you can dip the homemade Kinder Bueno in melted chocolate and refrigerate them. Once hardened, the Kinder Bueno will be ready to be enjoyed!
11. Step 11: Enjoy your meal!