Preheat your oven to 425°F (220°C) to achieve a crispy exterior on the potatoes.
Wash and scrub the golden potatoes thoroughly, then cut into even chunks about 1 to 1.5 inches each for uniform cooking.
In a large mixing bowl, combine melted unsalted butter, olive oil, Ranch dry seasoning mix, Italian seasoning, minced garlic, salt, and black pepper; stir well.
Add the chopped potatoes to the bowl and toss until evenly coated with the seasoning mixture.
Spread the seasoned potatoes in a single layer on a large baking sheet and roast for 25-30 minutes, tossing halfway through for even cooking.
In the last 5 minutes of roasting, sprinkle shredded Parmesan cheese over the potatoes and return to the oven to melt and crisp.
Remove from oven, garnish with chopped parsley, and serve warm as a delicious side dish.