01 -
Season chicken breasts evenly with salt and pepper. Heat olive oil in a Dutch oven or braiser over medium-high heat. Cook chicken for 3 to 4 minutes per side until browned and cooked through. Remove from heat, cut into 1-inch pieces, and set aside.
02 -
Melt unsalted butter in the same pot over medium heat. Add minced garlic, sun-dried tomatoes, and Italian seasoning; sauté until fragrant, about 1 to 2 minutes.
03 -
Pour in heavy cream, milk, and grated Parmesan cheese. Stir to combine, then add uncooked penne pasta. Cook for 10 minutes or until pasta is al dente, stirring occasionally to prevent sticking.
04 -
Return chicken pieces to the pot along with baby spinach. Cook for an additional 1 to 2 minutes until chicken is heated through and spinach has wilted.
05 -
Ladle mixture into bowls and serve immediately while warm.