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Keeping A Tradition Alive:

How We Make Our Balsamic Vinegars & How We Love to Eat Them!

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What is Balsamic Vinegar?

The word ‘Balsamic’ comes from the Greek word ‘Balsamon,’ meaning restorative or curative. We like to think it actually came from the Greek word ‘katapli̱ktikí̱,’ meaning amazing or terrific.

Balsamic vinegar is a cherished condiment around the world, celebrated for its rich flavor, versatility, and deep culinary tradition. Traditional barrel aged balsamic vinegar is perfect harmony of nature, time, and craftsmanship.

Balsamic vinegar is a concentrated, sweet-tart vinegar made from cooked grape must. Traditionally, it is aged—often through a series of wooden barrels—to develop a rich, complex flavor.

Stages of Balsamic Vinegar

1. Cleaning and Boiling

After selecting the right grapes (Tassos uses three Greek grape varieties), we thoroughly wash and crush the grapes, including the skins, pulp, seeds, and stems. After crushing, the slurry is pressed to extract all the juice, along with the antioxidants. This extract is then filtered to remove large particles.

At this point, the juice is cooked, always below the boiling point to preserve the must’s delicate compounds. This is where the chemical wonder begins. Cooking concentrates the sugars, creating new flavor compounds while the liquid thickens and darkens.

2. Fermentation

 After cooking, the thickened juice enters the fermentation stage. Natural yeasts begin converting sugars into alcohol. Then the bacterium Acetobacter steps in and transforms the alcohol into acetic acid, the active compound responsible for its sour taste and acidity. Other bacteria also contribute by creating flavor compounds within the acetic acid.

3. Aging in a Series of Barrels

Barrel aging is the essential process that transforms grape must into rich balsamic vinegar. As the vinegar matures, it moves through a series of progressively smaller wooden barrels made from distinct types of wood, each adding its own distinctive flavor.

  • Juniper (piney, aromatic, complexity)
  • Mulberry (adds notes of honey and helps smooth the vinegar)
  • Oak (adds vanilla notes and gentle spice)
  • Cherry (adds fruity flavors and sweetness that mellow the overall flavor profile)
  • Chestnut (adds tannins, rich color, and a bitter edge to counterbalance sweetness)

The barrels are stored in areas exposed to seasonal heat and cold, with good airflow that encourages evaporation, fermentation, and flavor concentration. This evaporation is essential for developing the vinegar’s rich texture and complex flavor.

4. Transfer Process

Each year, we begin the process of topping up and transferring the vinegar. This annual routine ensures a balanced blend of older and newer vinegar, allowing the flavors to develop gradually over years and even decades. The careful balance of wood interaction and aging creates the depth and richness that define barrel-aged balsamic vinegar, preparing it for further refinement in the next steps of the process.

Commercial Balsamic vs. Barrel Aged

The difference between these two types is more significant than many consumers realize. Barrel-aged vinegars are made from a specific, high-quality wine base and aged in wooden barrels for weeks, months, or even years.

Commercial vinegars are generally produced from industrial alcohol or other generic sources. They are filtered and processed quickly, resulting in a sharper taste with fewer aromatic qualities. These industrial-type balsamic vinegars are not authentic.

 Read the Label

There should be no more than two ingredients: balsamic vinegar and grape must.

Always avoid balsamic vinegars that include caramel color (caramel acts as an artificial coloring), sulfites, "natural flavors" and added sugars on their labels.

  • Tassos White Balsamic Vinegar: Aged White Balsamic Vinegar, White Grape Must.
  • Tassos Balsamic Vinegar: Aged Balsamic Vinegar, Grape Must.
Notice Visual & Physical Characteristics
  • Clarity and sediment: Barrel-aged vinegar may appear slightly cloudy and may contain sediment because it is unpasteurized and naturally fermented.
  • Color depth: Barrel-aged vinegar typically has deeper amber or golden tones, shaped by its interaction with wood.
  • Aroma: Barrel-aged vinegar often offers complex aromas of fruit, grain, toasted malt, or nuts, while commercial vinegar usually has a sharper, more singular scent.
  • Palate: Barrel-aged vinegar begins with a vibrant flavor and finishes smooth and rounded.
  • Balance: Barrel-aged vinegar blends well with oil, herbs, or citrus in dressings, while commercial vinegar may taste thin or overly sharp and often requires sugar or salt for balance.
Balsamic vs. White Balsamic Vinegar

Can I Use White Balsamic Instead of Regular Dark Balsamic?

White balsamic vinegar is fermented from white grapes and is a milder alternative. It’s made from grapes heated at low temperatures to prevent caramelization and aged in light-colored barrels. The result is a sweet-tart flavor similar to traditional balsamic but without the dark color, making it ideal for recipes where you want the flavor without changing the appearance.

Flavor Profile That Makes it Ideal for Seafood, Poultry, Pork

  • Mildly sweet and fruity
  • Less acidic than white wine vinegar
  • Floral and bright
  • Lighter than traditional dark balsamic vinegar

No Sharp Edges

Tassos® offers two balsamic vinegars made from three internationally acclaimed Greek grape varieties.  We have created vinegars that bring out the flavors of every food they touch.

Alcohol Content

All vinegars (white, wine, or balsamic) begin with a low-alcohol base. In both our balsamic vinegars, the alcohol molecules present during fermentation are broken down, but not completely. Regardless of the process used to make vinegar or the type of vinegar, a trace amount will remain, typically ranging from 0.1% to 2%. Our balsamic vinegars are not pasteurized, so there is no way to measure their exact alcohol content.

Let's Start Eating! 

And there is no easier, delicious way than by making a Glaze

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