If you've ever stood in the oil aisle squinting at labels like "cold-pressed," "expeller-pressed," and "extra virgin," you're not the only one. These terms get thrown around a lot, but most of us never learned what they actually mean. Today we're breaking down cold-pressed oil: what it is, how it's made, and why the process behind your bottle of oil matters more than you might think.
What Is Cold-Pressed Oil?
Cold-pressed oil is exactly what it sounds like: oil that's extracted from a fruit, vegetable, or seed using pressure alone, without added heat. The ingredient is ground into a paste, then pressed with a mechanical press or stone to separate the oil from the solid material.
According to Penn State University, oil must stay below 120°F during processing to be considered cold-pressed. In Europe, the bar is even higher. Regulators there cap the temperature at around 80°F (27°C), according to EU standards.
Because no heat or chemicals are involved, cold-pressed oils are often described as retaining more of their natural flavor compared to oils that go through heavier processing. That's a big part of why chefs and home cooks alike tend to reach for them when flavor is the goal.
Cold-Pressed vs. Expeller-Pressed: What's the Difference?
You'll often see "expeller-pressed" on labels too, and it's easy to assume it means the same thing. It doesn't, quite.
- Cold-pressed: Oil is extracted using only pressure, kept below a strict temperature threshold.
- Expeller-pressed: Oil is extracted using a mechanical press, but the friction from the machine can generate mild heat, sometimes pushing temperatures higher than the cold-pressed threshold.
Neither method uses chemical solvents, which puts both ahead of highly refined oils that rely on heat and chemical extraction to squeeze out every last drop. If you're comparing bottles at the store, reading the label carefully and sticking with brands that are transparent about their process is a good habit to build.
A Quick Look at the History
Cold-pressing isn't a new trend. This method dates back roughly 5,000 years to the Indus Valley Civilization, where archaeologists found charred remnants of ancient oil-pressing equipment alongside sesame seeds at the ruins of Harappa. Much of the world's early cold-pressing knowledge traces back to India, where devices called "Ghani" (a mortar-and-pestle style tool made of wood or stone) were used to crush seeds and extract some of the earliest known oils.
How Is Cold-Pressed Oil Made?
Many different ingredients can become cold-pressed oil, including olives, avocados, flaxseed, sunflower seeds, pumpkin seeds, and peanuts. The basic process looks like this:
- The fruit, seed, or nut is ground into a paste.
- The paste is slowly stirred so the oil begins to separate from the solids.
- Pressure is applied (by stone or machine) to release the oil.
- Manufacturers monitor temperature closely to keep it within the cold-pressed range.
What's Actually Inside Cold-Pressed Oil?
Different cold-pressed oils bring different nutrients to the table depending on the source ingredient. Many contain unsaturated fats along with fat-soluble vitamins like vitamin E, according to the American Heart Association. Vitamin E specifically is one of the nutrients highlighted by the Harvard T.H. Chan School of Public Health as part of a whole-food, minimally processed way of eating.
Keep in mind that nutrient content varies widely by the source ingredient, so an olive-based cold-pressed oil and a sunflower-based cold-pressed oil won't have identical profiles.
Easy Ways to Use Cold-Pressed Oil in the Kitchen
Since cold-pressed oils are prized for flavor, most people treat them as a finishing touch rather than an everyday high-heat cooking oil. Here are a few simple ways to put that flavor to work.
Salad Dressings
Drizzle a cold-pressed oil, like extra virgin olive oil or cold-pressed avocado oil, over greens. Whisk it with balsamic vinegar, lemon juice, or fresh herbs for a dressing that actually tastes like something.
Dipping Oil for Bread
Combine cold-pressed olive oil with minced garlic, a splash of balsamic, and a sprinkle of dried herbs for a simple dip that beats butter any day.
Marinades
Cold-pressed oils work well in marinades for vegetables, fish, or meat before grilling. Mix in citrus, garlic, or fresh herbs for extra depth.
Finishing Roasted or Steamed Vegetables
A light drizzle over warm vegetables right before serving adds richness and rounds out the flavor.
Homemade Sauces
Blend cold-pressed oil into pesto, vinaigrettes, or tomato-based sauces for a fresher, more vibrant finish.
A tip worth remembering: because these oils are prized for their flavor rather than high-heat performance, many people reserve them for low to medium temperature dishes or as a finishing oil, rather than for frying.
Bringing It All Together
So, what is cold-pressed oil? At its core, it's oil made the old-fashioned way: pressure, patience, and no shortcuts with heat or chemicals. Understanding the difference between cold-pressed, expeller-pressed, and heavily refined oils gives you one more tool for reading labels with confidence and choosing ingredients that fit how you like to cook and eat.
The more you learn about what's actually going into your food, the more empowered you'll feel every time you're in the kitchen or the grocery aisle. That's a genuinely good feeling, and it's one worth chasing.
If you enjoyed learning about cold-pressed oil, you might also like our guide on Avocado Oil vs. Olive Oil: Which Is for You? or our deep dive into how avocado oil is made.
Read next: Avocado Oil vs. Olive Oil: Which Is for You?
