Dairy

Milk

Quick answer: Pasteurized milk lasts about 1 week in the refrigerator and up to 3 months in the freezer. Leaving it at room temperature is not recommended, bacteria multiply fast once it's out of the cold.

A gallon of milk sits in roughly 90% of American fridges at any given moment, and a surprising amount of it gets poured down the drain. The difference between a full week of use and a sour surprise on day four usually comes down to where in the fridge you're storing it. Here's what actually keeps milk fresh longer, and what to do with it when the clock is ticking.

Pantry

Not recommended

Refrigerator

1 week

Freezer

3 months

How to store milk

Keep milk in its original sealed container at the back of the bottom shelf, that's the coldest, most stable spot in the fridge, not the door (which swings open a dozen times a day and warms up every time). Aim for 40°F (4°C) or below, and keep the cap tight so it doesn't pick up the smell of whatever leftovers are sharing the shelf.

How to spot spoilage

Your nose knows first: a sour or rancid smell is the clearest sign it's done. Back that up with a look, yellowish color, visible separation, or a lumpy, curdled texture means it's gone. If you're still not sure, a sharp sour taste confirms it. At that point, pour it out.

Use it up before it spoils

  • Make a quick béchamel or cream sauce base and freeze it in portions for later.
  • Whisk it into scrambled eggs or an omelette for a fluffier texture.
  • Blend it into a smoothie with frozen fruit and yogurt.
  • Use it as the liquid in pancake or waffle batter, works perfectly even if it's on the edge.
  • Simmer it with oats for a batch of creamy stovetop porridge to portion out for the week.

Best ways to preserve

  • freeze
  • dehydrate
  • ferment
  • dry

Nutrition at a glance

Per 244 g (1 cup)

Calories 149
Protein 7.7 g
Carbohydrates 11.7 g
Fiber 0 g
Sugar 12.3 g
Fat 7.9 g
Saturated fat 4.6 g
Sodium 105 mg

Source: USDA FoodData Central. Milk, whole, 3.25% milkfat, with added vitamin D (SR Legacy)

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Frequently asked questions

How long does milk last in the fridge?

Milk lasts about 1 week in the refrigerator when stored at 40u00b0F (4u00b0C) or below. For the longest life, keep it at the back of the bottom shelf rather than in the door, where temperatures fluctuate.

Can you freeze milk?

Yes, milk freezes well for up to 3 months. The texture can turn slightly grainy or separate after thawing, so frozen milk is best used in cooking and baking rather than drinking straight.

Does milk need to be refrigerated?

Yes, leaving milk at room temperature is not recommended. Bacteria multiply quickly once milk is out of the cold, making it unsafe to drink even if it doesn't smell obviously sour yet.

How can you tell if milk has gone bad?

Spoiled milk has a distinct sour or rancid smell, a lumpy or curdled texture, and may look yellowish or separated. Any one of those signs is enough to toss it, you don't need all three.

How long does milk last after opening?

Once opened, milk lasts about 1 week in the refrigerator. The key is keeping it tightly sealed and stored in the coldest part of the fridge, not the door.