Pasta with potatoes and provola

Ingredients

• 350 g of snails Leonessa pasta
• 500 g of peeled potatoes
• 1 potato for decoration
• 200 g of smoked provola
• 4 tablespoons of extra virgin olive oil
• 2 cherry tomatoes
• ¼ onion
• 40 grams of finely chopped bacon
• 1 white celery
• pecorino romano cheese.