Generously season the chicken breasts with salt and pepper.
In a shallow dish, mix together ½ cup grated Parmesan cheese and ½ cup panko breadcrumbs. Press this mixture onto both sides of the chicken breasts to create a crispy crust.
Heat 2 tablespoons of olive oil in a large skillet over medium-high heat. Carefully add the coated chicken breasts and sear them for about 3-4 minutes on each side, until golden brown.
Lower the heat to medium-low, then add the minced garlic, sautéing it for a minute until fragrant.
Pour in the cream and stir in the Italian seasoning or oregano. If using spinach, add it now to let it wilt into the sauce.
Mix in another ½ cup of grated Parmesan cheese and allow the sauce to thicken slightly.
Cover the skillet and cook the chicken for an additional 8-10 minutes, or until the internal temperature reaches 165°F (74°C).
Taste the sauce and adjust seasoning if necessary.
To serve, plate the chicken breasts and generously spoon the creamy garlic sauce over the top.
Notes
Consider serving with roasted vegetables or fresh garden salad. Store leftovers in an airtight container for up to 3 days.