Crispy Roasted Potatoes and Onions

Crispy roasted potatoes and onions made in the oven with olive oil and rosemary. This easy side dish features golden, oven-baked potatoes with a tender center and caramelized onions. Perfect for weeknight dinners, holiday meals, or brunch, this roasted potato recipe pairs well with chicken, meat, or fish and requires simple ingredients and minimal prep. Ideal for anyone looking for a classic roasted potatoes side dish with a crispy texture and rich, savory flavor.

Ingredients

• 1½–2 lb red-skinned potatoes (or other waxy potatoes), unpeeled, sliced about ¼ inch thick
• 1 medium yellow onion, sliced about ½ inch thick
• 3 tablespoons olive oil
• 2 teaspoons kosher salt
• Freshly cracked black pepper, to taste
• 1 tablespoon fresh rosemary needles (or 1 teaspoon dried rosemary)

Instructions

1. Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper.
2. Place the sliced potatoes and onions in a large bowl. Drizzle with olive oil, then add the salt, pepper, and rosemary. Toss well until everything is evenly coated.
3. Spread the potatoes and onions in a single layer on the prepared baking sheet, avoiding overcrowding.
4. Roast for 20 minutes. Remove the pan from the oven and toss the potatoes and onions with a spatula, flipping a few pieces to promote even browning.
5. Return to the oven and roast for another 15–20 minutes, or until the potatoes are golden, crispy in spots, and tender inside.
6. Serve immediately while hot and crisp.

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Tips

• Slice the potatoes evenly to ensure uniform cooking.
• Do not overcrowd the pan; use two baking sheets if necessary.
• For extra crispiness, roast on the lower rack of the oven during the last 10 minutes.

Variations and Substitutions

• Replace rosemary with thyme, oregano, or smoked paprika for a different flavor.
• Use sweet potatoes for a slightly sweeter version (adjust cooking time as needed).
• Add whole garlic cloves or red onion wedges for more depth.

FAQs

Can I peel the potatoes?
Yes, but leaving the skins on adds texture and flavor.

Can I make this ahead of time?
They are best served fresh, but leftovers can be reheated in the oven to restore some crispiness.

What oil works best?
Olive oil is ideal, but avocado oil also works well at high heat.

Serving Suggestions

• Serve as a side dish with roasted chicken, grilled fish, or steak.
• Pair with eggs for a hearty breakfast or brunch.
• Use leftovers in a breakfast hash or grain bowl.

Why You’ll Love This Recipe

• Simple ingredients and minimal prep.
• Crispy on the outside, tender on the inside.
• Versatile enough to pair with many meals.