Pasta Alla Zozzona

Name: Pasta Alla Zozzona
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: European, Mediterranean, Italian
Ingredients: 4 large egg yolks; 1 cup freshly grated Parmigiano Reggiano cheese, plus more to serve; 1/2 cup freshly grated Pecorino Romano cheese; 1 pound short pasta, such as Nodi Marini; 1/4 pound diced pancetta; 1 tablespoon olive oil; 1 pound sweet Italian sausage, casing removed; 2 shallots, diced; 3 cloves garlic, smashed and peeled; 1/4 teaspoon kosher salt; 2 cups tomato passata; 1 teaspoon Calabrian chili paste or ¼ teaspoon red pepper flakes, optional