1. In a medium bowl, whisk together the mayonnaise (or Greek yogurt), olive oil, and white wine vinegar until smooth and creamy.
2. Add the grated Parmesan cheese, honey, and Dijon mustard to the bowl. Whisk again until these ingredients are fully incorporated and the mixture looks silky.
3. Stir in the minced garlic, dried Italian seasoning, salt, and pepper. Give the dressing a good mix to evenly distribute the herbs and spices.
4. If the dressing feels too thick, slowly whisk in the cold water, one tablespoon at a time, until you reach your desired consistency. For me, the perfect creamy Italian salad dressing has a pourable but rich texture.
5. Taste and adjust seasoning as needed—sometimes I add a little more vinegar for brightness or a pinch more honey if I want a sweeter finish.
6. Transfer the dressing to a jar or airtight container and refrigerate for at least 30 minutes to allow the flavors to meld beautifully. This step always reminds me of my grandmother’s advice: “Good things come to those who wait.”

One personal tip I’ve learned is to use fresh garlic whenever possible. It really elevates the flavor and makes the dressing feel homemade, even if you’re short on time. And if you’re making this ahead of time (which I often do), just give it a good shake or stir before serving, as the ingredients may settle.