
This roasted asparagus and potatoes dish perfectly captures the essence of spring vegetables with minimal effort. The combination of crisp-tender asparagus and golden potatoes creates a versatile side that pairs beautifully with almost any main course.
I created this recipe during asparagus season last year when I needed a quick side dish for an impromptu dinner party. It was such a hit that it's now in my regular rotation whenever those beautiful green stalks appear at the farmers market.
Key Ingredients
- Baby red potatoes: Add hearty texture and absorb flavors beautifully. Look for small uniform sizes for even cooking
- Fresh asparagus: Brings vibrant spring flavor. Choose stalks with tight closed tips and firm stems
- Fresh thyme: Infuses an herbal aroma that complements both vegetables perfectly. Select sprigs with bright green leaves
- Garlic: Provides essential savory depth. Freshly minced will give the most pronounced flavor
- Olive oil: Helps achieve that perfect roasted exterior. Use a good quality extra virgin for best results
- Butter: Adds richness and helps with browning. European style butter has more fat content for extra flavor
- Kosher salt: Enhances all flavors without being too harsh. The larger crystals distribute more evenly
- Black pepper: Brings gentle heat. Freshly ground makes a noticeable difference
- Parmesan cheese: Creates a nutty umami finish. Grate it yourself from a block for optimal meltability
Step-by-Step Instructions
- Prepare the Oven:
- Preheat your oven to 425F. This high temperature is crucial for achieving that perfect roasted exterior while maintaining tender interiors in both vegetables.
- Prepare Asparagus:
- Snap each asparagus stalk about 1-2 inches from the bottom to naturally remove the woody portion. This natural breaking point ensures you get only the tender part. Cut the trimmed stalks into 2-inch pieces for easier eating and more surface area for roasting.
- Prepare Potatoes:
- Halve the baby potatoes to create flat surfaces that will caramelize beautifully against the hot sheet pan. Uniform sizes will ensure even cooking time across all pieces.
- Create Flavor Base:
- In a small bowl combine the fresh thyme leaves pulled from stems with minced garlic cloves butter olive oil salt and pepper. This aromatic mixture will coat everything with consistent flavor. Stir well until fully incorporated.
- Start with Potatoes:
- Add the halved potatoes to your sheet pan then pour half of your prepared herb butter mixture over them. Toss thoroughly to ensure each piece is coated. Potatoes need a head start since they take longer to cook than asparagus.
- First Roasting Phase:
- Place the potato-filled sheet pan in your preheated oven for 15 minutes. This gives them time to begin softening and developing golden edges before adding the quicker-cooking asparagus.
- Add Asparagus:
- Remove the pan from the oven and add your prepared asparagus pieces. Pour the remaining herb butter mixture over everything and toss to coat all vegetables thoroughly. Spread into an even layer ensuring everything has contact with the pan.
- Complete Roasting:
- Return the pan to the oven for another 15 minutes until potatoes are fork-tender and asparagus is bright green with slightly crispy tips. Both vegetables should be cooked through but not mushy.
- Finish with Cheese:
- Remove from oven and immediately sprinkle with grated Parmesan cheese. The residual heat will slightly melt the cheese creating a light savory coating on the vegetables.

My absolute favorite moment with this dish was watching my vegetable-skeptical nephew take his first reluctant bite and then proceed to eat three servings. The roasting process transforms these simple vegetables into something genuinely crave-worthy even for the pickiest eaters.
Perfect Timing Secrets
The key to this recipe's success lies in the staggered cooking times. Potatoes and asparagus cook at different rates and adding them to the oven at separate times ensures neither will be undercooked or mushy. If your asparagus stalks are particularly thin reduce their cooking time to 10-12 minutes to prevent overcooking.
Seasonal Variations
While spring offers peak asparagus this dish adapts beautifully throughout the year. In summer substitute green beans or zucchini for the asparagus. Fall brings opportunities to use butternut squash cubes instead of potatoes. Winter allows for heartier versions with Brussels sprouts joining or replacing the asparagus. The herb butter mixture works wonderfully with virtually any vegetable combination.
Make-Ahead Options
This dish shines freshest from the oven but you can prepare components ahead of time. Trim and cut asparagus and halve potatoes up to two days in advance storing them separately in airtight containers in the refrigerator. The herb butter mixture can be prepared up to three days ahead and kept refrigerated just return to room temperature before using.
Serving Suggestions
Serve alongside a simple roasted chicken for an effortless weeknight dinner or pair with grilled salmon for something more special. For a vegetarian meal these roasted vegetables make an excellent topping for creamy polenta or can be tossed with cooked farro and a light vinaigrette for a satisfying grain bowl.

Frequently Asked Questions
- → How do I trim asparagus for roasting?
To trim asparagus, simply snap about 1-2 inches from the bottom of each stalk to remove the woody, tough part. It should naturally break where it's tender.
- → Can I substitute dried herbs for fresh thyme?
Yes, you can use 1.5 teaspoons of dried thyme, rosemary, or Italian seasoning instead of fresh thyme for this dish.
- → Can I use larger potatoes instead of baby red potatoes?
Yes, you can use larger potatoes. Just cut them into bite-sized pieces so they cook evenly with the asparagus.
- → What temperature should I roast the vegetables at?
Roast the vegetables in a preheated oven at 425°F for the best texture and flavor.
- → Can I omit the Parmesan cheese?
Yes, you can omit the Parmesan cheese if you'd like to keep the dish dairy-free or reduce its richness. The garlic and herby butter mixture still provides plenty of flavor.
- → How can I ensure the potatoes roast evenly?
Cut the potatoes into uniform pieces and spread them out in a single layer on the baking sheet to ensure even roasting.