3 bucatini amatriciana pasta tomato hot Recipes

pancetta (optional, or bacon or veggie bacon), olive oil, best quality, red onion, peeled, quartered and thinly sliced, hot red pepper flakes (to taste), italian tomatoes (whole in puree) or 1 (14 oz) can (crushed in puree), kosher salt or sea salt, pasta (buccatini or perciatelli), unsalted butter, ricotta salata, finely crumbled

extra virgin olive oil, bacon, thinly-sliced, red onion , cut lengthwise in half and then into 1/4-inch-thick half-moons, garlic cloves, sliced, hot red pepper flakes, tomato sauce, bucatini pasta, freshly grated pecorino romano cheese