1. Preheat the oven to 200°C.
2. Cut the broccoli into florets and peel and cube the potatoes. Toss the vegetables with olive oil and finely minced garlic, season with salt and pepper as desired, then spread them on a baking sheet.
3. Roast for about 25 minutes until tender and slightly crispy.
4. Finish with a sprinkle of grated Parmesan cheese and serve immediately for a warm and satisfying dinner.

Summary:
A simple, hearty roasted vegetable dinner perfect for adults.

Storing Options:
Store any leftovers in an airtight container in the refrigerator for up to 2 days.

Possible Side Effects/Allergies:
Contains dairy (Parmesan Cheese); check for personal dietary restrictions.