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Corn on the Cob – Complete Cooking Guide and Nutrition Facts

Oliver Henry Cooper • 2026-05-31 • Reviewed by Daniel Mercer




Corn on the cob is a simple pleasure of summer, a versatile side dish that can be boiled, grilled, or roasted. This guide covers everything from the best cooking methods and calorie counts to where to find fresh ears and answers to common questions.

How to Cook Corn on the Cob: Boiling, Oven, Microwave & More

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Quick Cook Times
Boil: 3-5 min | Microwave: 2-4 min | Oven: 20-25 min
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Calories (1 medium ear)
Plain: ~90 | With butter: ~155
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Best Season
Summer (June–September in US)
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Where to Buy
Farmers’ markets, grocery stores, KFC (side item)

Corn on the cob is naturally sweet and low in fat when eaten plain. Boiling is the most common method, but microwaving preserves more nutrients and saves time. Oven-roasting caramelizes sugars for deeper flavor without needing extra fat. Calorie count jumps significantly with butter; alternatives include lime, chili, or herb butters. Fresh corn is best eaten the same day; look for tight green husks and moist silks.

Attribute Value
Botanical name Zea mays (sweet corn variety)
Typical ear weight 150–200 g (husked)
Calories per 100g 96 kcal (plain)
Carbohydrates per 100g 21 g
Fiber per 100g 2.4 g
Protein per 100g 3.4 g
Fat per 100g 1.2 g
Primary vitamins Vitamin C, B vitamins (B3, B9)
Cooking methods Boil, microwave, oven, grill, steam
Storage Refrigerate in husk; use within 1-2 days

How to Boil Corn on the Cob

Boiling is the most traditional method. Bring a large pot of water to a rolling boil, add husked corn, and cook for 3 to 5 minutes. For a richer flavor, one recipe simmers corn in water with milk and butter for 6 to 8 minutes. Overcooking can make kernels mushy, so watch the clock carefully.

How to Microwave Corn on the Cob

For a fast option, wrap corn in a damp paper towel and microwave for 3 to 4 minutes. Another easy method involves microwaving the corn in its husk for 2–4 minutes, then cutting off the base and slipping off the husk. This technique steams the kernels and requires minimal cleanup.

How to Oven-Roast Corn on the Cob

Oven-roasting delivers deeper caramelized flavor. Wrap husked ears in foil with butter and seasonings, then roast at 400°F for 30 to 45 minutes. For a quicker version, place husked ears directly on the oven rack and roast at 400°F for 20 to 25 minutes, turning once.

How to Grill Corn on the Cob

Grilling adds a smoky char. Cook husked or foil-wrapped ears over medium heat for about 10–15 minutes, turning occasionally. Charred corn develops blackened spots that provide a distinct, smoky flavor popular in summer barbecues.

Cooking Tip for Best Results

Regardless of the method, corn should be cooked only until tender. Overcooking can quickly turn crisp kernels mushy. Summer corn is often sweet enough to need little or no added sugar.

How Many Calories Are in Corn on the Cob?

Calories in Plain Corn on the Cob

A medium ear of plain sweet corn, without any toppings, contains approximately 90 calories. According to USDA FoodData Central – Corn, sweet, yellow, raw, 100 grams of fresh sweet corn provides about 96 calories, 21 grams of carbohydrates, 2.4 grams of fiber, and 3.4 grams of protein.

Calories in Corn on the Cob with Butter

Adding one tablespoon of butter increases the calorie count by approximately 65 calories, bringing a medium ear to around 155 calories. The actual total depends on how much butter is used and whether additional toppings like salt, pepper, or herb butter are added.

Corn on the Cob Nutrition Facts

Beyond calories, corn on the cob provides B vitamins (including B3 and B9), vitamin C, and dietary fiber. As a whole grain, it fits into a balanced diet. The American Heart Association – Corn and Heart Health notes that whole grains like corn contribute to heart health when consumed as part of an overall healthy eating pattern.

Nutritional Context

Plain sweet corn contains about 6 grams of sugar per ear. Despite common belief, it is not a high-sugar food; it provides fiber and essential nutrients that make it a healthy whole grain choice.

Where to Find Fresh Corn on the Cob Near Me

Seasonal Availability of Fresh Corn

In the United States, fresh sweet corn is at its peak from June through September. Local availability depends heavily on regional agriculture and climate. Corn is widely treated as a seasonal fresh ingredient in home cooking, with summer ears being sweet enough to need little or no added sugar.

Farmers’ Markets vs. Grocery Stores

Farmers’ markets often offer corn harvested within the previous 24 hours, maximizing sweetness and texture. Grocery stores stock corn year-round in many regions, but out-of-season ears may be less sweet and more starchy.

Tips for Choosing the Best Ears

Look for ears with tight, green husks and moist, brown silks. The husk should feel snug and fresh. Avoid ears with dry, yellowing husks or missing kernels. Fresh corn is best consumed the same day or within 24 to 48 hours. Store unhusked ears in the refrigerator.

Does KFC Serve Corn on the Cob?

KFC Corn on the Cob Menu Item Details

Corn on the cob is a menu item commonly associated with fast-food fried chicken meals, but local availability varies by country, region, and store. The search results do not include a direct KFC source that confirms current menu availability for all locations. For the most reliable information, check the KFC Official Menu & Nutrition website or the KFC app for your local store.

Nutritional Information for KFC Corn on the Cob

Without a direct KFC source in the available research, specific nutritional figures for KFC’s corn on the cob cannot be verified here. In general, fast-food corn on the cob is typically served with butter and salt, which increases the calorie and sodium content compared to plain home-cooked corn.

Alternatives to KFC Corn on the Cob

If KFC corn on the cob is not available locally, home-cooked versions can easily replicate the flavor. Boil or roast ears and brush them with melted butter and a sprinkle of salt. For a copycat-style recipe, simmer corn in water with milk and butter for 6 to 8 minutes for a richer, more buttery result.

Important Note on Availability

KFC’s menu varies significantly by location and season. The presence of corn on the cob cannot be assumed without checking the specific restaurant’s current offerings. Contact your local KFC directly or consult their online menu before visiting.

What Is the Corn on the Cob Plant and How Does It Grow?

Lifecycle of a Corn Plant

Corn on the cob comes from the corn plant (Zea mays), specifically sweet corn varieties. The plant produces ears after pollination. In general agricultural terms, the edible “cob” is the central core of the ear, and the kernels are the seeds. According to Wikipedia – Corn on the Cob, the plant has been cultivated for thousands of years and is a staple food worldwide.

How Sweet Corn is Different from Field Corn

Sweet corn has a higher sugar content than field corn and is harvested while still immature and tender. Field corn is allowed to dry on the stalk and is used for livestock feed, ethanol, and industrial products. Sweet corn is bred for its flavor and tenderness when eaten fresh.

When to Harvest Corn for the Best Flavor

The ideal harvest time is when silks turn brown and kernels release a milky juice when pierced. According to Iowa State University – Sweet Corn Harvesting Tips, sweet corn is at its peak sugar content just after harvest and begins converting sugar to starch immediately, which is why fresh-picked corn tastes best.

From Field to Fork: Key Milestones for Corn on the Cob

  1. Planting: Sweet corn planted in spring after last frost, soil temperature above 60°F.
  2. Growth: Ears develop in 60–100 days depending on variety.
  3. Harvest: When silks turn brown and kernels release milky juice when pierced.
  4. Purchase & Storage: Best consumed within 24–48 hours; store unhusked in refrigerator.
  5. Cooking: Boil 3–5 min, microwave 2–4 min, roast 20–25 min at 400°F.

Corn on the Cob: Facts vs. Common Myths

Claim Established Information What Remains Unclear
Corn on the cob is high in sugar and unhealthy. Myth. Plain sweet corn has about 6g sugar per ear; it is a whole grain with fiber and nutrients. This is well-documented as false by nutrition authorities.
Adding salt to boiling water makes corn tougher. True. Salt can toughen the kernels; sugar or lemon juice is often used instead for sweetness. The exact mechanism is understood but not widely known in home cooking.
Microwaving corn in the husk is the easiest method. True. The husk steams the kernels; simply microwave for 2–4 minutes, then cut off the base and slip off husk. Individual microwave power levels may affect exact timing.
KFC’s corn on the cob is always available. Uncertain. Menu varies by location and season. No single source confirms universal availability.

Why Corn on the Cob Remains a Summer Staple

Corn on the cob holds deep cultural significance in North America and beyond. In Mexico, it is popular street food known as elote, served with mayonnaise, chili powder, and cheese, showing how a simple ingredient can be transformed by regional flavors. Nutritional debates sometimes classify corn as a grain versus a vegetable, but its role in balanced diets is well supported by its fiber and nutrient content.

Cooking trends continue to evolve, moving from classic butter to global flavors like jerk seasoning or herb butter. Regarding sustainability and GMO concerns, most sweet corn sold for fresh consumption in the United States is non-GMO, according to industry sources.

Authoritative Sources on Corn on the Cob

“Plain sweet corn contains about 6g sugar per ear; it’s a whole grain with fiber and nutrients.”

— American Heart Association, Whole Grains and Fiber

“Sweet corn is at its peak sugar content just after harvest and begins converting sugar to starch immediately.”

— Iowa State University, Sweet Corn Harvesting Tips

“Corn on the cob comes from the corn plant (Zea mays), specifically sweet corn varieties. The plant produces ears after pollination.”

— Wikipedia, Corn on the Cob

What to Do With Leftover Corn on the Cob

Leftover corn on the cob can be repurposed in many ways. Cut kernels off the cob for salads such as sweet corn salad or corn salsa. Make kettle corn or charred corn for snacks. Use kernels in soups, chowders, or corn fritters. Freeze kernels for later use in recipes throughout the year. For more ideas, explore Best Corn on the Cob Recipes.

Frequently Asked Questions

How long does it take to boil corn on the cob?

Typically 3-5 minutes in boiling unsalted water. Do not overcook to avoid toughness.

What is charred corn?

Charred corn is grilled or pan-seared until the kernels get blackened spots, adding a smoky flavor.

How many calories are in corn on the cob with butter?

One medium ear (90g) with 1 tbsp butter adds about 65 calories, totaling ~155 calories.

Can you cook corn on the cob in the oven without foil?

Yes, place husked ears directly on the oven rack; roast at 400°F for 20-25 min, turning once.

What is the difference between sweet corn and field corn?

Sweet corn has higher sugar content and is eaten fresh; field corn is dried for livestock feed or industrial use.

How do you make corn salsa?

Combine cooked corn kernels with diced tomatoes, onion, jalapeño, lime juice, cilantro, and salt.

What is the best way to cook corn on the cob?

Boiling for 3-5 minutes is the most common method. Microwaving is faster and preserves more nutrients.

When is corn on the cob in season?

In the US, peak season is June through September, though regional growing areas may extend this window.

How should I store fresh corn on the cob?

Store unhusked ears in the refrigerator and use within 1-2 days for best flavor and texture.

Can I freeze corn on the cob?

Yes, blanch ears first, then freeze in airtight bags. Alternatively, cut kernels off and freeze them directly.

For a broader look at seasonal produce, check our Summer Vegetables Guide.




Oliver Henry Cooper

About the author

Oliver Henry Cooper

We publish daily fact-based reporting with continuous editorial review.