To make Sarde a Beccafico with potatoes, start by slicing the potatoes thinly and layering them in the bottom of the robot de cocina. Season with salt and pepper, then place the stuffed sardines on top of the potatoes. Drizzle with olive oil and bake in the robot de cocina until the sardines are cooked through and the potatoes are tender and crispy. Serve with a side salad for a complete meal.