Step 1

In a large skillet, heat oil and pancetta over medium; cook, stirring occasionally, until crisp and browned around edges, 3 to 4 minutes. Using a slotted spoon, transfer to paper towels to drain. In a medium bowl, whisk together egg, yolks, and cream; season lightly with salt and pepper.

Step 2

Meanwhile, cook pasta in a large pot of boiling salted water 1 minute less than package instructions. Drain, reserving 1 1/2 cups pasta water. Add 1 cup pasta water to skillet; bring to a boil. Add pasta and cook, stirring, until reduced slightly, about 2 minutes. Remove from heat.

Step 3

Slowly add egg mixture to pasta, stirring, until sauce thickens and clings to pasta. Stir in cheese and pancetta; season generously with pepper and serve immediately with more cheese.