Expiration Dates That Matter vs. Those I Ignore

Let me be clear: Not all expiration dates are created equal. Some are legally required safety markers. Others are marketing gimmicks. After years of eating expired food, here's exactly which dates I follow religiously—and which ones I laugh at.

Dates I NEVER Ignore (My Hard Rules)

1. "Use By" Dates on Raw Meat & Poultry

This is non-negotiable for me. Raw meat can harbor dangerous bacteria that you can't see, smell, or taste. I don't care if it looks fine—if it's past the "use by" date, it goes in the trash.

Why I'm strict: I got food poisoning from chicken once. Never again.

2. "Use By" Dates on Deli Meats

Especially if the package has been opened. Listeria is a silent killer, and deli meats are a common source. I follow these dates strictly.

My rule: If it's been opened and it's past the date, I throw it out. Unopened? I'll give it a day or two, but I'm still cautious.

3. "Use By" Dates on Baby Formula

I don't have kids, but if I did, I'd follow baby formula dates religiously. This is one area where I'd never take risks. The nutritional content degrades, and safety is paramount.

4. "Use By" Dates on Soft Cheeses & Unpasteurized Dairy

Brie, feta, blue cheese, unpasteurized milk—these are higher risk. I follow dates more carefully here, especially if I'm serving them to others.

Exception: Hard cheeses like cheddar or parmesan? I'm way more lenient. I'll eat those weeks past their dates if they look and smell fine.

Dates I Mostly Ignore (With Caveats)

1. "Best By" Dates on Canned Goods

I've eaten canned beans, tomatoes, and soup that were 2+ years past their "best by" dates. As long as the can isn't bulging, rusted, or dented, I trust it.

Why: Canned goods are shelf-stable. The "best by" date is about quality, not safety. The food might be slightly less flavorful, but it's safe.

2. "Best By" Dates on Dry Goods

Pasta, rice, flour, sugar, salt—these dates are basically meaningless to me. I've used flour that was a year past its date. As long as there's no bugs or weird smells, I use it.

My test: If it looks, smells, and feels normal, I use it. These foods don't really "expire" in a safety sense—they just might lose some quality.

3. "Best By" Dates on Honey, Maple Syrup, Vinegar

These are essentially immortal if stored properly. Honey found in Egyptian tombs is still edible. I don't even check dates on these.

Reality check: If your honey crystallizes, it's not expired—just warm it up. These foods are naturally preservative.

4. "Sell By" Dates (All of Them)

"Sell by" dates are for stores, not consumers. They tell the store when to remove items from shelves. I completely ignore these.

My approach: If it's past the "sell by" date but before the "use by" date, I'll still eat it if it passes my smell/look test.

The Gray Area (Where I Use Judgment)

Dairy Products

Milk, yogurt, sour cream—I'm cautious but not strict. I'll taste a tiny bit if it's a few days past. If it tastes fine, I use it. If it's even slightly off, I throw it out.

My rule: Dairy is one of those foods where your senses are your best guide. Sour milk is unmistakable.

Eggs

I'll use eggs 2-3 weeks past their date if they pass the float test (fresh eggs sink, old eggs float). But I'm more careful with raw eggs in things like mayo or cookie dough.

My method: Float test + crack test. If it looks and smells normal, I use it.

Bread

I'll eat bread past its date if there's no mold. But I check carefully—mold on bread can be dangerous. If I see even a tiny spot, the whole loaf goes.

Pro tip: Freeze bread if you won't eat it in time. It lasts months frozen.

Why This Matters

Understanding which dates matter helps you reduce food waste without risking your health. I've saved hundreds of dollars by ignoring meaningless "best by" dates on shelf-stable foods, while staying safe by following "use by" dates on high-risk items.

My philosophy: Be smart, not wasteful. But also: be safe, not sorry. When in doubt about high-risk foods, throw them out. When in doubt about low-risk foods, use your judgment.