
In a large skillet with hot vegetable oil, add the rice and fry until golden brown.
Remove from the skillet and drain all the oil.
Next, transfer to a food processor and blend everything thoroughly until it goes smooth.
In a large skillet over medium to low heat, add the sugar and let it cook until the sugar begins to melt.
Once that happens, stir everything thoroughly until it turns into caramel, add the milk and stir until combined.
Add the powdered milk and stir again.
Then, add the rice we prepared, the ground walnuts and stir again until combined.
Transfer this mixture to a medium baking dish lined with plastic wrap and spread it evenly.
Place it in the refrigerator and let it chill for at least 2 hours.
After this time has passed, unmold it and cut into smaller pieces, shaping it into bars.
Serve.