In a large saute pan or skillet, over medium heat, add the olive oil. Then add 1 teaspoon of dried sage and cayenne pepper to the oil and swirl to combine. Add the ground turkey to the pan and break up with a spoon or spatula while you are browning it. After the turkey has been cooking for about 5 - 6 minutes, or when the turkey is no longer pink, add the frozen peas and chicken broth to the pan and continue to cook for 3 - 5 minutes, stirring to mix the peas with the turkey. Once finished, transfer to a bowl, cover and set aside.
While you are making the cream sauce, boil your pasta according to the package instructions and drain when finished. Make sure that you add plenty of salt to your pasta water.
Using the same pan, melt the butter over medium heat then add the minced garlic and last teaspoon of sage to the pan. Cook for about 1 minute, or until the garlic is fragrant, not burnt. Add the heavy cream to the pan and simmer for 5 - 6 minutes. Adjust heat if necessary to keep it at a simmer. Reduce the heat to low then add the parmesan cheese to the pan and whisk quickly to combine.
Finally, return the cooked turkey and peas to the sauce and stir in the cooked, drained pasta.
Season with salt and pepper to taste if needed and garnish with additional parmesan if desired. Serve hot and enjoy!