How Long Does It Take to Grill Corn in Foil?
Grilling corn in foil typically takes between 15 and 25 minutes, depending on the grill temperature and the desired level of tenderness. The foil helps trap steam, resulting in perfectly cooked, juicy corn.
Introduction to Grilling Corn in Foil
Grilling corn is a summer staple, bringing a smoky sweetness that complements almost any meal. While grilling corn directly on the grates offers a charred flavor, wrapping it in foil provides a different, but equally delicious, experience. Foiling retains moisture, leading to tender, juicy kernels every time. This method is particularly favored for its ease and consistent results, even for novice grillers. It allows for flavor infusions before cooking, making it a versatile technique for experimenting with different tastes.
Benefits of Grilling Corn in Foil
Why choose foil over direct grilling? The advantages are numerous:
- Moisture Retention: Foil creates a steam-like environment, preventing the corn from drying out.
- Even Cooking: The foil distributes heat more evenly, reducing the risk of burnt spots.
- Flavor Infusion: You can add butter, herbs, spices, and other flavorings directly into the foil packet to infuse the corn as it cooks.
- Convenience: Less mess on the grill, and easier handling of hot corn.
The Grilling Corn in Foil Process: A Step-by-Step Guide
Follow these steps for perfectly grilled corn in foil:
- Prepare the Corn: Shuck the corn, removing the silks. You can leave the husk on and simply peel it back, removing the silks, then fold it back over the corn before wrapping.
- Season the Corn: This is where you get creative. Consider the following:
- Butter or olive oil
- Salt and pepper
- Garlic powder, onion powder, or chili powder
- Fresh herbs like rosemary, thyme, or cilantro
- A squeeze of lime or lemon juice
- Wrap in Foil: Place each ear of corn on a sheet of heavy-duty aluminum foil. Add your chosen seasonings. Fold the foil over the corn, creating a sealed packet. Crimp the edges tightly to prevent steam from escaping.
- Preheat the Grill: Preheat your grill to medium heat (around 350-450°F or 175-230°C).
- Grill the Corn: Place the foil-wrapped corn on the grill grates.
- Cook for 15-25 Minutes: Rotate the corn packets every 5-7 minutes to ensure even cooking.
- Check for Doneness: Carefully open one packet to check the corn’s tenderness. The kernels should be plump and easily pierced with a fork.
- Serve: Remove the corn from the grill and let it cool slightly before opening the foil packets completely. Enjoy!
Temperature and Timing: Finding the Sweet Spot
Achieving the perfect grilled corn in foil relies on the right balance of temperature and timing. Consider these factors:
| Grill Temperature | Approximate Cooking Time | Notes |
|---|---|---|
| Medium (350-450°F) | 15-25 minutes | Ideal for even cooking and tender kernels. |
| Medium-High (450-550°F) | 12-20 minutes | Requires more frequent checking to prevent burning. |
| Low (250-350°F) | 25-35 minutes | Suitable for a slower cook, allowing for deeper flavor infusion. |
Remember that grill temperatures can vary, so use these times as a guideline and adjust as needed.
Common Mistakes to Avoid
Even with foil, grilling corn can present some pitfalls:
- Overcooking: Overcooked corn becomes mushy and loses its sweetness. Check frequently.
- Under seasoning: Don’t be shy with the seasonings! The foil traps the flavors, so be generous.
- Insufficient foil sealing: If the foil isn’t sealed properly, steam will escape, leading to drier corn.
- Using thin foil: Thin foil can tear easily, causing steam to escape and potentially burning the corn. Opt for heavy-duty foil.
- Ignoring grill temperature: Too high a temperature can burn the corn, while too low a temperature can result in uneven cooking.
Choosing the Right Corn
The quality of the corn significantly impacts the final result. Look for:
- Freshness: Kernels should be plump and tightly packed. The husk should be bright green and slightly damp.
- Silk: The silk should be golden brown and slightly sticky. Avoid corn with dry or blackened silk.
- Variety: Sweet corn varieties like Silver Queen or Butter and Sugar are excellent choices for grilling.
Flavor Variations and Add-ins
Experiment with different flavor combinations to create unique and delicious grilled corn. Some ideas include:
- Mexican Street Corn (Elote): Brush with mayonnaise, sprinkle with cotija cheese, chili powder, and a squeeze of lime.
- Garlic Herb Corn: Mix butter with minced garlic, fresh herbs (parsley, chives, thyme), and salt and pepper.
- Spicy Chipotle Corn: Combine butter with chipotle powder, cumin, and a pinch of cayenne pepper.
- Lemon Pepper Corn: Add lemon zest, black pepper, and butter to the foil packet.
- Honey Butter Corn: Mix softened butter with honey for a sweet and savory treat.
Frequently Asked Questions (FAQs)
Can I grill corn in foil with the husk on?
Yes, you can! Soaking the corn in the husk in water for about 30 minutes before grilling is recommended. Then grill in the foil packet. This method adds even more moisture and flavor.
Do I need to soak the corn before grilling it in foil?
Soaking isn’t necessary when grilling in foil, as the foil traps moisture. However, if you’re grilling with the husk on, soaking is recommended to prevent the husk from burning. The foil still needs to be added if the corn will be grilled in its husk.
What is the best way to check if the corn is done?
Carefully open one foil packet and use a fork to pierce a kernel. If it’s tender and juicy, the corn is done. Be careful of escaping steam!
Can I grill corn in foil ahead of time?
Yes, you can grill corn in foil ahead of time. Allow it to cool slightly, then store it in the refrigerator. Reheat it on the grill, in the oven, or in the microwave. Reheating may dry it out slightly, so add a little butter or water.
Can I use aluminum foil substitutes for grilling corn?
While parchment paper is a great baking substitute, it is NOT a suitable substitute for aluminum foil on the grill. Parchment paper will burn. There are some other heat-resistant grilling wraps available on the market, but aluminum foil remains the most common and cost-effective choice.
What type of foil is best for grilling corn?
Heavy-duty aluminum foil is the best choice for grilling corn. It’s more durable and less likely to tear than standard foil, preventing steam from escaping and ensuring even cooking.
Can I grill frozen corn in foil?
Yes, but it will take longer to cook. Add about 5-10 minutes to the cooking time. Make sure to check for doneness frequently.
How do I prevent the corn from sticking to the foil?
Brush the inside of the foil with butter or olive oil before placing the corn on it. This will also add extra flavor.
Can I grill corn in foil on a gas grill?
Yes, you can grill corn in foil on a gas grill. Preheat the grill to medium heat and follow the same cooking instructions. Maintain consistent temperature for the best results.
Can I grill corn in foil on a charcoal grill?
Yes, you can grill corn in foil on a charcoal grill. Spread the coals evenly and maintain a medium heat. Keep a close eye on the temperature to avoid burning.
What are some good seasonings to use for grilling corn in foil?
Butter, salt, pepper, garlic powder, onion powder, chili powder, fresh herbs, lime juice, lemon juice, and grated parmesan cheese are all excellent choices. Don’t be afraid to experiment!
How long will grilled corn in foil last in the refrigerator?
Grilled corn in foil will last for about 3-5 days in the refrigerator. Store it in an airtight container. Ensure it cools completely before refrigerating.