Use fresh garlic and herbs for best flavor., Adjust cream quantity to control richness., Simmer sauce gently to avoid curdling., Taste and season with salt and pepper frequently for perfect balance., Use freshly grated Parmigiano Reggiano cheese for authentic flavor., Add cooked Italian sausage, pancetta, or chicken for extra protein., Try sautéed mushrooms, spinach, or sun-dried tomatoes for more texture., Swap heavy cream with half-and-half, whole milk with butter, or coconut milk for different dietary needs., Use vegetable broth to make the sauce vegetarian-friendly., Deglazing pan with white wine before broth adds depth., Serve with garlic bread, salads, grilled asparagus, or polenta for a complete meal.