🌽 Corn Cob Jelly
Sunshine in a Jar – The Sweetest Surprise from Kitchen Scraps
📌 In This Article
🌽 The Cob Jelly Story
"Who else makes cob jelly? It's delicious. Sunshine in a jar!" 🌽✨
Corn cob jelly is one of the most surprising and delightful recipes from the Great Depression era. When times were tough, resourceful home cooks discovered that the cobs – which were usually thrown away – could be boiled to extract their natural sweetness and turned into a beautiful golden jelly [citation:1][citation:7].
Some people say it tastes like honey, others say it's like apple jelly [citation:1][citation:7]. The flavor is light, sweet, and unmistakably reminiscent of sweet corn. It's a true "sunshine in a jar" – a taste of summer that you can enjoy all year round [citation:3][citation:12].
💬 A taste of history: "Some say it tastes like honey. It's a little hard to describe the taste. I think you will enjoy it." [citation:1]
⚠️ Important Safety Information
⚠️ Read This Before You Start
This recipe is from the National Center for Home Food Preservation and is fully tested for safety [citation:4].
Key Safety Rules:
- Use a boiling water bath canner – process for the full time [citation:4][citation:8].
- Leave ¼-inch headspace – critical for proper sealing [citation:4][citation:8].
- Use new lids – always use fresh lids for sealing [citation:1].
- Adjust processing time for altitude – see chart below [citation:4][citation:8].
- Do not reduce the sugar – sugar is essential for safe preservation and proper set [citation:4].
Always inspect jars before consuming – bulging lids, off odors, or mold mean discard immediately.
📦 Ingredients – From the National Center for Home Food Preservation
Makes 4 Half-Pint Jars
- 🌽 12 medium fresh corn cobs – after kernels have been removed [citation:4]
- 💧 2 quarts water – or enough to cover the cobs [citation:4]
- 📦 1 box (1.75 oz) powdered fruit pectin – Sure-Jell recommended [citation:4][citation:8]
- 🍬 3 cups granulated sugar [citation:4]
Optional
- 🧈 ½ teaspoon butter – to reduce foaming [citation:1][citation:12]
- 🍋 1 tablespoon lemon juice – if using pectin without citric acid [citation:2]
💡 Pro tip: "If you use different amounts of liquid, always use the same amount of sugar as liquid. For example, if you use 3 cups of strained liquid – add 3 cups of sugar." [citation:1]
📝 Step-by-Step Instructions
Step 1 – Prepare the Cobs
- Remove the kernels from 12 medium corn cobs – save the kernels for another recipe [citation:4].
- Wash the cobs thoroughly [citation:4].
- Cut the cobs into 4-inch lengths [citation:4].
💡 Pro Tip
"If you don't have enough cobs at once, you can freeze your leftover cobs in advance and plan together to yield enough." [citation:12]
Step 2 – Make Corn Cob Juice
- Place the cobs in a large stockpot and add 2 quarts of water – enough to cover the cobs [citation:4].
- Bring to a boil, then reduce heat and boil slowly for 35-40 minutes [citation:4][citation:8].
- Strain the juice through a double layer of cheesecloth or a jelly bag [citation:4][citation:8].
- Do not press or squeeze the bag – this will keep the jelly clear [citation:4].
- Measure the strained liquid – you need 3 cups. Add water if needed [citation:4].
💡 Pro tip: "For a stronger corn flavor, cook the corn in the water longer." [citation:12]
Step 3 – Make the Jelly
- Sterilize canning jars and lids [citation:4].
- In a large pot, combine 3 cups of corn cob juice and the pectin [citation:4].
- If using, add ½ teaspoon butter to reduce foaming [citation:1].
- Bring to a full rolling boil [citation:4].
- Add 3 cups sugar all at once [citation:4].
- Return to a full rolling boil and boil for 5 minutes, stirring frequently [citation:4][citation:8].
⚠️ Important: "Your corn cob jelly will bubble up quite a bit, and is likely to form some foam. The foam is normal and edible, it just makes the jelly less clear." [citation:14]
Step 4 – Jar and Process
- Remove from heat and skim off foam [citation:4].
- Pour hot jelly immediately into hot, sterile jars, leaving ¼-inch headspace [citation:4][citation:8].
- Wipe rims with a damp cloth, apply lids, and tighten to fingertip-tight [citation:4].
- Process in a boiling water bath for the recommended time (see chart below) [citation:4][citation:8].
- Remove jars and cool undisturbed for 12-24 hours [citation:4][citation:8].
- Check seals – lids should be concave and not flex when pressed.
📈 Processing Times – Water Bath Canner
- 0 – 1,000 ft: 10 minutes [citation:4][citation:8]
- 1,001 – 6,000 ft: 15 minutes [citation:4][citation:8]
- Above 6,000 ft: 20 minutes [citation:4][citation:8]
Source: National Center for Home Food Preservation [citation:4]
💡 Pro tip: "Corn cob jelly may be runnier than typical jelly and also takes a while to set – up to two weeks, in some cases. Refrigerating it can help." [citation:12]
💡 Pro Tips for Perfect Corn Cob Jelly
- 🌽 Use fresh, sweet corn cobs: The fresher the corn, the better the flavor [citation:3][citation:12].
- 🧊 Freeze cobs in advance: Collect cobs over time and freeze until you have enough [citation:12].
- 🧈 Add butter to reduce foam: A small amount prevents foaming without affecting flavor [citation:1][citation:12].
- ⏱️ Be patient with setting: Corn cob jelly can take up to 2 weeks to fully set [citation:12].
- 🍽️ Serving suggestion: Enjoy on toast, biscuits, pancakes, or as a glaze for meats [citation:12][citation:14].
- 🎁 Perfect for gifting: This unique jelly makes a wonderful homemade gift.
❓ Frequently Asked Questions
❓ What does corn cob jelly taste like?
It has a sweet, mild, honey-like flavor with a light corn-on-the-cob taste. Some say it reminds them of apple jelly [citation:1][citation:7].
❓ Do I really need 12 cobs?
Yes – you need enough cobs to extract 3 cups of liquid. You can freeze cobs over time until you have enough [citation:12].
❓ Why didn't my jelly set?
Corn cob jelly can take up to 2 weeks to set. Be patient! If it's still runny, it may not have been boiled long enough [citation:1][citation:12].
❓ Can I use less sugar?
This recipe is designed for full sugar pectin. Reducing sugar can affect both the set and the safety [citation:4].
❓ Can I use field corn cobs?
Yes – field corn cobs make a beautiful reddish jelly, while sweet corn gives a pale yellow color [citation:5][citation:6].
❓ How long does this jelly last?
Properly sealed jars last up to 18 months in a cool, dark pantry [citation:2].
❓ Can I use frozen cobs?
Yes – frozen cobs work well, though they may yield slightly less juice [citation:15].
❓ What if I don't have a water bath canner?
You can refrigerate the jelly for up to 1 month or freeze for up to 6 months without processing [citation:2].
❓ Is this safe to can?
Yes – this recipe is from the National Center for Home Food Preservation and is fully tested [citation:4].
❓ What are signs of spoilage?
Bulging lids, off odors, or mold – discard immediately.
📄 Printable Recipe Card
╔═══════════════════════════════════════════════════════════════════════╗
║ CORN COB JELLY ║
║ Sunshine in a Jar – Sweet, Golden & Surprising ║
╚═══════════════════════════════════════════════════════════════════════╝
YIELD: 4 half-pint jars | PROCESS: 10-20 min water bath
INGREDIENTS:
- 12 fresh corn cobs (after kernels removed)
- 2 quarts water (or enough to cover)
- 1 box (1.75 oz) powdered pectin
- 3 cups granulated sugar
- Optional: ½ tsp butter (to reduce foam)
INSTRUCTIONS:
1. Cut cobs into 4-inch pieces. Place in pot and cover with water.
2. Bring to boil, reduce heat, and simmer 35-40 minutes.
3. Strain juice through cheesecloth – do not squeeze.
4. Measure 3 cups of liquid.
5. In a large pot, combine juice and pectin. Bring to a full rolling boil.
6. Add sugar all at once. Return to boil and boil 5 minutes.
7. Skim foam. Pour into hot jars, leaving ¼" headspace.
8. Wipe rims, apply lids (fingertip-tight).
9. Process in water bath: 10 min (0-1,000 ft), 15 min (1,001-6,000 ft), 20 min (6,001+).
10. Cool 12-24 hours. Check seals.
STORAGE: 18 months (cool, dark place).
"Who else makes cob jelly? It's delicious. Sunshine in a jar!" 🌽✨
© CanningRebels — Corn Cob Jelly | Sunshine in a Jar
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