Squash Carbonara with Crispy Prosciutto and Sage

olive oil

prosciutto (I get it in one solid piece), cut into 10 cm cubes

finely chopped sage

butternut squash, peeled, deseeded, and chopped into 1/2" pieces, approx. 3 cups

small onion chopped

garlic, finely chopped

Kosher salt and fresh ground black pepper

low sodium chicken (or vegetable) stock

fettuccine or linguine

finely grated Pecorino* (optional)