Grilled onions and potatoes make for a delightful side dish that pairs perfectly with any main course. The combination of potatoes and onions grilled to perfection brings out a sweet and savory flavor that is hard to resist. This simple yet delicious recipe is sure to be a hit at your next barbecue or family dinner.
All the ingredients in this recipe are commonly found in most households. However, if you don't have olive oil on hand, you can easily find it in the cooking oils section of your local supermarket. Freshly ground black pepper can be substituted with regular black pepper if needed.
Ingredients for Grilled Onions and Potatoes Recipe
Potatoes: Medium-sized, sliced potatoes are the base of this dish, providing a hearty and filling component.
Onions: Sliced onions add a sweet and savory flavor that complements the potatoes perfectly.
Olive oil: Used to coat the potatoes and onions, helping them to cook evenly and adding a rich flavor.
Salt: Enhances the natural flavors of the potatoes and onions.
Black pepper: Adds a touch of heat and depth to the dish.
Technique Tip for This Recipe
When preparing grilled onions and potatoes, ensure that the slices are uniform in thickness. This promotes even cooking and prevents some pieces from being undercooked while others are overdone. Additionally, consider using a mandoline slicer for precision and speed.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with sweet potatoes: Sweet potatoes offer a similar texture but add a slightly sweeter flavor.
potatoes - Substitute with turnips: Turnips provide a similar starchy texture and can be grilled to a tender consistency.
onions - Substitute with shallots: Shallots have a milder, sweeter taste and can be grilled similarly to onions.
onions - Substitute with leeks: Leeks offer a subtle onion flavor and can be sliced and grilled for a similar effect.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a neutral flavor, making it suitable for grilling.
olive oil - Substitute with grapeseed oil: Grapeseed oil is another neutral oil with a high smoke point, ideal for grilling.
salt - Substitute with sea salt: Sea salt can provide a slightly different mineral flavor but works the same way in seasoning.
salt - Substitute with kosher salt: Kosher salt has larger grains and can be easier to control when seasoning.
black pepper - Substitute with white pepper: White pepper offers a similar heat but with a slightly different flavor profile.
black pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit more heat and a different flavor, perfect for those who like a spicier dish.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
- Allow the grilled onions and potatoes to cool completely before storing. This helps prevent condensation, which can make the vegetables soggy.
- Transfer the cooled vegetables to an airtight container or a resealable plastic bag. If using a plastic bag, try to remove as much air as possible before sealing.
- Label the container or bag with the date so you can keep track of how long they've been stored.
- Store the container in the refrigerator if you plan to consume the leftovers within 3-4 days.
- For longer storage, place the container in the freezer. Grilled onions and potatoes can be frozen for up to 2 months without significant loss of flavor or texture.
- When ready to reheat, thaw the frozen vegetables in the refrigerator overnight.
- Reheat the thawed vegetables in a preheated oven at 350°F (175°C) for about 10-15 minutes, or until heated through. Alternatively, you can reheat them in a skillet over medium heat, stirring occasionally, until warmed.
- Avoid using a microwave for reheating, as it can make the vegetables mushy and unevenly heated.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Spread the leftover grilled onions and potatoes evenly on a baking sheet.
- Cover with aluminum foil to prevent them from drying out.
- Bake for about 15-20 minutes, or until heated through.
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a small amount of olive oil to the skillet.
- Add the leftover grilled onions and potatoes to the skillet.
- Stir occasionally and cook for about 10 minutes, or until heated through.
Microwave Method:
- Place the grilled onions and potatoes in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap, leaving a small vent.
- Microwave on high for 2-3 minutes, stirring halfway through.
- Check if they are heated through; if not, continue microwaving in 30-second intervals.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the grilled onions and potatoes in the air fryer basket in a single layer.
- Cook for about 5-7 minutes, shaking the basket halfway through, until they are crispy and heated through.
Best Tools for This Recipe
Grill: Used to cook the potatoes and onions, giving them a smoky flavor and crispy texture.
Large bowl: For tossing the sliced potatoes and onions with olive oil, salt, and black pepper.
Aluminum foil: To create a sealed packet for grilling the potatoes and onions, ensuring even cooking and preventing them from drying out.
Tongs: For turning the foil packet on the grill to ensure even cooking on all sides.
Knife: To slice the potatoes and onions into even pieces for uniform cooking.
Cutting board: A surface for safely slicing the potatoes and onions.
Measuring spoons: To measure the olive oil, salt, and black pepper accurately.
Oven mitts: To handle the hot foil packet safely when removing it from the grill.
How to Save Time on Making This Recipe
Pre-slice ingredients: Slice the potatoes and onions the night before and store them in an airtight container in the fridge.
Use a mandoline: A mandoline slicer can quickly and evenly slice potatoes and onions, saving you prep time.
Preheat the grill: Start preheating your grill while you prepare the ingredients to save time.
Double the batch: Make a larger batch of grilled onions and potatoes and store leftovers for quick meals later in the week.
Use foil packets: Pre-make the foil packets and store them in the fridge until ready to grill.

Grilled Onions and Potatoes Recipe
Ingredients
Main Ingredients
- 4 pieces Potatoes medium-sized, sliced
- 2 pieces Onions sliced
- 2 tablespoons Olive Oil
- 1 teaspoon Salt
- 0.5 teaspoon Black Pepper freshly ground
Instructions
- 1. Preheat your grill to medium-high heat.
- 2. In a large bowl, toss the sliced potatoes and onions with olive oil, salt, and black pepper.
- 3. Place the mixture on a large piece of aluminum foil and fold the edges to create a sealed packet.
- 4. Grill the packet for about 30 minutes, turning occasionally, until the potatoes are tender.
- 5. Carefully open the packet and serve hot.
Nutritional Value
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