Stored

UHT milk in sealed Tetra Pak cartons, shelf-stable and unrefrigerated until opened.

The distinctive aseptic carton packaging is the defining feature of UHT milk that sets it apart from fresh milk.

Dairy & Eggs

UHT Long-Life Milk

Ultra-pasteurized shelf-stable milk in cartons, used like fresh milk without refrigeration.

UHT milk is heated briefly to ultra-high temperature and aseptically packed so it keeps unrefrigerated for months until opened. It is used exactly like fresh milk in coffee, baking, sauces, and drinking, and is a pantry staple where reliable refrigeration or supply is limited. The process gives it a faintly cooked flavor compared to fresh milk.

UHT (Ultra-High Temperature) milk is pasteurized milk that has been heated to 135–150°C (275–302°F) for 1–4 seconds, a flash sterilization that kills 99.999% of microorganisms while preserving the milk itself. Packaged in sterile aseptic cartons, it remains shelf-stable for 6–12 months without refrigeration, making it a pantry workhorse. The rapid heating process causes partial protein denaturation—a subtle cooked or caramelized note from the intense heat. This flavor fades to imperceptibility in baked goods, sauces, and soups, while the altered protein structure benefits certain applications, improving texture in baked goods and stabilizing foams. UHT milk is not a lesser substitute for fresh milk; it is a different tool with distinct advantages suited to cooked applications and any situation where refrigeration is unavailable.

Measured in: ml
Storage: Pantry

Allergens

Dairy

Types & varieties

UHT Whole Milk

3.25% milkfat; closest to fresh whole milk in baking applications

UHT 2% Reduced-Fat Milk

Versatile middle ground for drinking and cooking

UHT Skim Milk

0% fat; proteins shine in baking where structure and stability are key

UHT Cream

Whips more stably and holds shape longer than fresh cream; ideal for piping

Common uses

Baking, where partially denatured proteins improve texture and produce a more tender crumbWhite sauces, béchamel, and cream soups, where the subtle cooked note blends in unnoticedHot beverages including coffee, hot chocolate, and chai, adding creaminess without sourness over timeCaramel sauces and dulce de leche, where the heat-treated milk contributes to deeper flavor developmentCamping, travel, and emergency supplies where refrigeration is unavailableMeringues and soufflés, where stable foam structure from partially denatured proteins is advantageousWhipped cream for piping and garnishes, as UHT cream resists weeping longer than fresh

Tips & pitfalls

Reserve fresh milk for cold applications—cereal, smoothies, drinking—where the cooked flavor is noticeable; use UHT for all cooking and baking.
Shake the carton vigorously before each use; fat and protein settle into a dense layer during storage that must be redistributed.
For baked goods calling for sour milk (some pancakes or biscuits), UHT milk's slightly altered protein structure produces similar tenderizing effects without needing lemon juice or vinegar.
UHT cream whips faster and more reliably than fresh cream, but overwhipping happens more suddenly—stop at soft peaks for best piping results.
If a recipe emphasizes fresh dairy flavor—fresh pasta with cream sauce, panna cotta—fresh milk or cream will outperform UHT; the cooked note works against these delicate applications.
Store unopened cartons away from direct sunlight and temperature extremes; heat accelerates off-flavors even in sealed packages.
Once opened, treat UHT like fresh milk: refrigerate immediately and use within 5–7 days.

Nutrition

108kcal

Energy

452 kJ · per 100 g

Where the calories come from

Protein 22%Carbs 20%Fat 58%

Protein

12% DV

Carbs

5.4g

2% DV

Fat

9% DV

Fiber

0% DV

Sodium

44mg

2% DV

Notable micronutrients

Vitamin B1230% DV

Riboflavin (B2)27% DV

Calcium15% DV

Phosphorus13% DV

Vitamin A5% DV

Vitamin C5% DV

Source · USDA FoodData Central · approx. Milk, sheep, fluid

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In the shops

Matched grocery products

No matched grocery products for UHT Long-Life Milk yet.

Good to know

Processing: Heated to 135–150°C (275–302°F) for 1–4 seconds, killing 99.999% of microorganisms
Shelf Life: 6–12 months unopened at room temperature; 5–7 days refrigerated after opening
Packaging: Aseptic multi-layer cartons that maintain sterility until opened
Flavor Note: Faint cooked or caramelized note from rapid heat treatment
Protein Effect: Partially denatured proteins improve texture in baked goods and stabilize foams
Fat Behavior: Fat settles during storage; always shake thoroughly before using
Calories: Whole: ~150 kcal/cup; 2%: ~120 kcal/cup; Skim: ~80 kcal/cup
Origin: Commercial process developed in the 1960s; widely adopted in Europe since the 1970s

Substitutes

Fresh Pasteurized Milk — Substitute 1:1 in all applications; use for cold beverages and dishes where dairy freshness is the dominant flavor note
Evaporated Milk — Unsweetened; dilute 1:1 with water to approximate fresh milk volume; the concentrate works for sauces needing richness without thinning
Powdered Milk — Reconstitute according to package directions; acceptable for baking but adds a noticeable powdery note to beverages and sauces
Fresh Heavy Cream — For UHT cream: fresh cream whips but holds shape for less time; use immediately after whipping

Pairs with

Coffee and espressoDark chocolate and cocoaVanilla and caramelBiscuits, scones, and quick breadsCream-based soups and chowdersEggs (scrambled, custard)

Also called

Long-Life Milk · Shelf-Stable Milk Carton · Shelf-Stable Milk · UHT Milk