Begin by cooking the fettuccine pasta according to package instructions. Drain and set aside.
In a large skillet over medium heat, add the olive oil and heat until shimmering.
Season the chicken breasts with salt, pepper, and Italian seasoning. Place the chicken in the skillet and cook for about 6-7 minutes on each side until golden brown and cooked through. Remove from the skillet and let it rest.
In the same skillet, add the minced garlic and sauté for 1 minute, stirring constantly to avoid burning.
Add the halved cherry tomatoes and cook for another 3-4 minutes until they begin to soften.
Pour in the heavy cream, stirring to combine. Let it simmer for 2-3 minutes until it thickens slightly.
Add the spinach leaves to the sauce, stirring until wilted, then mix in the grated Parmesan cheese until melted and smooth.
Slice the cooked chicken and return it to the skillet, tossing to coat in the sauce.
Add the drained fettuccine pasta to the skillet, gently stirring until the pasta is well coated with the creamy sauce.
Serve immediately, garnished with fresh basil leaves for a pop of color and flavor.
Notes
Serve immediately for the best flavor and texture.