Season chicken with salt, pepper, and garlic powder.
Heat olive oil and butter in a skillet over medium-high heat.
Sear chicken for five minutes per side until cooked through; remove and set aside.
Fry turkey bits in the same skillet until crispy.
Boil a large pot of salted water and cook spaghetti until al dente.
Reserve one cup of pasta water, then drain the pasta.
Whisk eggs, egg yolks, and grated cheese together in a bowl.
Add cooked pasta and peas to the skillet with turkey bits, tossing over low heat.
Remove skillet from heat, then quickly stir in the egg and cheese mixture.
Slowly stream in reserved hot pasta water while tossing constantly to create a creamy, silky sauce.
Slice the chicken and serve immediately atop the pasta.