Why I stopped making two separate sides
I love a good steak and potatoes meal, but let’s be real, who wants to cook multiple sides and deal with all those dishes? That’s exactly how this Roasted Potatoes and Green Beans recipe came to life!
When making my Garlic Butter Steak Bites, I wanted a simple, flavorful side I could throw together on one sheet pan with minimal cleanup, so I grabbed a single mixing bowl and put it to work.
What makes these roasted green beans and potatoes work:
It’s all in the timing.
Potatoes need a head start in the oven to get that golden, crunchy texture before the green beans go in. Then, a sprinkle of grated Parmesan adds an irresistible crisp, and a squeeze of fresh lemon juice brightens up the rich, roasted flavors.
The result? An easy, one-pan side dish that goes great with steak, chicken, or a simple weeknight dinner. Less effort, fewer dishes, and a side that tastes like way more work than it was.
Ingredients and Substitutions
For the exact measurements and detailed instructions, please see the recipe card below.
- Yukon Gold Potatoes: These have a naturally creamy texture with crispier edges when roasted, making them perfect for this dish.
- Fresh Green Beans: Trim the ends for the best texture and even cooking. Previously frozen green beans can be used, but they will need to be fully thawed before cooking and may require less cook time.
- Garlic: Freshly minced garlic adds bold, aromatic flavor, so skip the powder for the best results.
- Parmesan Cheese: Freshly grated from a block melts better and gives a crispier bite. Pre-shredded can be substituted, but won’t crisp up as well.
How to Make Oven-Roasted Potatoes with Green Beans
Please see the recipe card below for the full instructions, ingredient amounts, and a printable recipe.
Season the potatoes
Stir together the olive oil, mustard, garlic, lemon juice, lemon zest, paprika, salt, and black pepper in a small bowl. Pour two-thirds of the sauce over the cubed potatoes in a large bowl and toss to combine. Sprinkle the potatoes with one-quarter cup grated Parmesan cheese and toss again.
Bake the potatoes
Spread the potatoes across a parchment-lined sheet pan in a single layer and bake for 18 minutes at 425°F.
Cut every potato to the same size. Even 1-inch pieces cook at the same rate, so you won’t end up with a few mushy ones sitting next to a few that are still firm.
The Sheet Pan I L❤️VE!
Your veggies will end up steaming instead of roasting if you overcrowd the pan. So my tip… use the largest sheet pan you have and spread everything out!
Season the green beans
Add the green beans to the same bowl you had the potatoes in and drizzle the remaining seasoning over them. Toss well, sprinkle on two tablespoons of grated Parmesan cheese, then toss again.
Roast the green beans
Pull the pan out of the oven and push the potatoes to one side. Spread the green beans in a single layer in the open area of the pan. Roast for another 10 to 15 minutes, until the potatoes are fork-tender and the green beans are blistered.
Serve it up
Serve warm with extra Parmesan cheese and lemon wedges, if desired.
FAQs
Yes, but the timing matters. Potatoes take longer, so they get an 18-minute head start at 425°F before the green beans go on the pan. That way the potatoes have time to crisp up, and the green beans come out blistered instead of shriveled.
You don’t need to boil them first, and I’d actually skip it. Boiling adds water to beans that are about to roast, which is the one thing that keeps them from blistering. Toss them in raw, trimmed and cut into 1-inch pieces, and 10 to 15 minutes in a hot oven is all they need.
You don’t need to soak them for this recipe. Soaking pulls surface starch off potatoes so they crisp better, but the Parmesan coating is doing that job here, and it browns into a real crust. Just cut the Yukon Golds into even 1-inch pieces and give them room in a single layer.
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Parmesan Roasted Potatoes and Green Beans
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Ingredients
- 3 tablespoons olive oil
- 2 teaspoons Dijon mustard
- 3 garlic cloves finely minced
- 2 tablespoons lemon juice from 1 lemon
- 2 teaspoons grated lemon zest
- ½ teaspoon paprika
- 2 teaspoons salt
- 1 teaspoon black pepper
- 1 ½ pounds Yukon Gold potatoes cut into 1-inch pieces
- ¼ cup + 2 tablespoons grated Parmesan cheese divided, plus more for serving
- 1 (12-ounce) package green beans trimmed and cut into 1-inch pieces
- Lemon wedges optional
Instructions
- Preheat the oven to 425°F.
- In a small bowl, whisk together the olive oil, mustard, garlic, lemon juice, lemon zest, paprika, salt, and black pepper.3 tablespoons olive oil, 2 teaspoons Dijon mustard, 3 garlic cloves, 2 tablespoons lemon juice, 2 teaspoons grated lemon zest, ½ teaspoon paprika, 2 teaspoons salt, 1 teaspoon black pepper
- Add the potatoes to a large bowl and pour two-thirds of the oil mixture over the potatoes, reserving the remaining third for later use. Toss to coat. Sprinkle potatoes with ¼ cup grated Parmesan cheese, and toss again until well coated. Line a large baking sheet with parchment paper and spread potatoes out in a single layer. Bake for 18 minutes.1 ½ pounds Yukon Gold potatoes
- In the same large bowl, add the green beans and drizzle with the remaining olive oil-mustard mixture. Toss to coat. Add 2 tablespoons grated Parmesan cheese and toss again until well coated. Push the potatoes to the side of the sheet pan and add the green beans in a single layer. Return to the oven and roast for 10-15 minutes, or until the potatoes are fork tender and the green beans are blistered.1 (12-ounce) package green beans
- Serve warm with additional Parmesan cheese and lemon wedges, if desired.Lemon wedges
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Notes
- Crispier Potatoes: For extra crispy edges, flip the potatoes halfway through baking and spread them out in a single layer to avoid steaming.
- Meal Prep: Chop the potatoes and green beans up to 24 hours in advance and store them separately in airtight containers. The marinade can also be mixed ahead and refrigerated.
- Storage & Reheating: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven at 375°F for 8-10 minutes or in an air fryer at 350°F for 3-5 minutes to keep the texture crispy. The microwave is an option but will soften the potatoes.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Main Dishes to Serve with Roasted Potatoes and Green Beans
This hearty side is the perfect complement to any of these protein dishes.
Baked Honey Mustard Chicken Thighs and Balsamic Grilled Chicken Breasts are delicious and so easy to make.
If you prefer fish, try Honey Sriracha Salmon, Parmesan Crusted Cod, or Air Fryer Salmon.
More Easy Potato Side Dish Recipes
You can’t go wrong with potatoes in any style, and these dishes won’t disappoint.
Excited
Yay! Let me know what you think when you make it!