Roasted potatoes & onions are a simple and easy side dish that pairs well with everything and everyone loves. They are seasoned with some common spices and tossed in oil for an effortless addition to any meal. Go ahead and make extra, because you won't have any leftovers here.
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Potatoes are one of my favorite ingredients to use for a tasty side dish. They can be prepared in a ton of different ways and go well with everything!
This simple side dish only uses a handful of ingredients but is still completely delicious. Sometimes, simplicity is best.
🥘 Ingredients
This ingredient list is minimal and simple but yields delicious results. Make sure you use a potato variety that is great for baking.
- Potatoes - 6 cups of diced potatoes. My preference is russet potatoes (*see note)!
- Onion - 1 cup of either yellow or white diced onion.
- Oil - 1 to 2 tablespoons of extra virgin olive oil.
- Garlic - 1 tablespoon of minced garlic.
- Salt & Pepper - 1 teaspoon each of salt and pepper, adjusted to taste.
- Parsley (optional) - 1 tablespoon of fresh parsley for garnish, if desired.
Be sure to see the free printable recipe card below for ingredients, exact amounts & instructions with tips!
🔪 How To Roast Potatoes & Onions
These potatoes and onions are a completely effortless side dish. All you will need is a baking sheet.
As written, this will yield 6 servings. You can always add more potatoes if you need to serve a larger group.
- Prepare. To begin, go ahead and preheat the oven to 450°F (230°C) and place some parchment paper onto your baking sheet.
- Add the vegetables. On the prepared baking sheet, add your 6 cups of diced potatoes, 1 cup of diced onion, and a tablespoon of minced garlic.
- Toss. Next, sprinkle each teaspoon of salt and pepper over the potatoes and onions, then pour 1 tablespoon of extra virgin olive oil (EVOO) over the top. Use a wooden spoon to carefully and gently toss until all of the seasonings are well distributed, and the vegetables are evenly coated.
- Roast. Bake the potatoes and onions in the oven at 450°F (230°C) for 45-50 minutes, making sure to stir them every 15-20 minutes or so to keep them from burning.
- Garnish and serve. You'll know the potatoes are done when they are easily pierced with a fork. Remove them from the oven and garnish with chopped fresh parsley if desired. Serve immediately while toasty hot.
Potatoes taste great with practically any entree. Pair them with some meatloaf, Salisbury steak, or sofritas. Enjoy!
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💭 Angela's Pro Tips & Recipe Notes
- Whether or not you want to peel your potatoes is completely up to you! I left the skin on mine, but you can peel them if you like.
- Russet potatoes are my favorite potato variety for baking! Idaho potatoes, King Edward, Maris Piper, and Yukon Gold are all great options as well.
- To store: Store your leftover potatoes and onions in a sealed container in the fridge for a maximum of 5 days.
- To reheat: You can reheat your potatoes in the oven or in small increments in the microwave.
❓ Recipe FAQs
The key to crisp potatoes is making sure the oven is at the correct temperature (and fully preheated before putting in your potatoes). If the temperature is too high, your potatoes will burn. However, if it is too low, they won't get wonderfully crispy on the outside!
Also, make sure you flip your potatoes throughout the process so they are cooked evenly.
Extra virgin olive oil (EVOO) is my favorite oil for a wide variety of purposes, including roasting! If you don't want to use olive oil, ghee is a great option as well!
Personally, I like Russet and Yukon gold potatoes the best when it comes to baking in the oven. Russets have a high starch content that makes the inside extra fluffy, while Yukons are a great all-purpose potato!
🥔 Easy Potato Recipes
- Crispy Roasted Red Potatoes - These yummy potatoes are crisp on the outside and light and fluffy on the inside.
- Loaded Baked Potato Salad - This potato salad can easily be customized with all of your favorite toppings.
- Mashed Potatoes Without Milk - If you don't have any milk on hand, here's a recipe for some great mashed potatoes without it!
- 4 Ingredient Potato Soup - With only 4 ingredients, you won't have to make a huge grocery run for this warm and cozy soup.
- Roasted Garlic Mashed Potatoes - This classic mashed potato recipe uses garlic for some extra flavor.
- Air Fryer Potato Skins - The air fryer makes the potato skins wonderfully crisp and tasty.
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📖 Recipe Card
Roasted Potatoes and Onions
Ingredients
- 6 cups potatoes (diced, about 2-3 large potatoes - *see note)
- 1 cup yellow onion (sliced or diced, or use white onion)
- 1 tablespoon olive oil (extra virgin, up to 2 tablespoons)
- 1 tablespoon garlic (minced)
- 1 teaspoon each, salt & pepper (to taste)
- 1 tablespoon fresh parsley (chopped for garnish, optional)
(Note: 2x or 3x only changes the ingredient list)
Instructions
- To begin, go ahead and preheat the oven to 450°F (230°C) and place some parchment paper onto your baking sheet.
- On the prepared baking sheet, add your diced potatoes, diced onion, and minced garlic.
- Next, sprinkle your salt and pepper over the potatoes and onions then pour the extra virgin olive oil (EVOO) over the top. Use a wooden spoon to carefully and gently toss until all of the seasonings are well distributed and the vegetables are evenly coated.
- Bake the potatoes and onions in the oven at 450°F (230°C) for 45-50 minutes, making sure to stir them every 20 minutes or so to keep them from burning.
- You'll know the potatoes are done when they are easily pierced with a fork. Remove them from the oven and garnish with fresh parsley if desired. Serve immediately while toasty hot.
Notes
- Whether or not you want to peel your potatoes is completely up to you! I left the skin on mine, but you can peel them if you like.
- Russet potatoes are my favorite potato variety for baking! Idaho potatoes, King Edward, Maris Piper, and Yukon Gold are all great options as well.
- To store: Store your leftover potatoes and onions in a sealed container in the fridge for a maximum of 5 days.
- To reheat: You can reheat your potatoes in the oven or in small increments in the microwave.
Rick Smith says
Super easy side dish, serve these potatoes and onions with some grilled steaks. Added some extra melted butter over them!