– 3 tsp vinegar

Vinegar is an acidic liquid produced through the fermentation of various carbohydrate sources, most commonly fruit juices, grains, or other sugary substrates, wherein acetic acid bacteria (Acetobacter) convert ethanol into acetic acid. The term derives from the French "vin aigre" (sour wine). Vinegars vary significantly in flavor, color, and acidity depending on their base ingredient and production methods, ranging from clear distilled vinegar (5-7% acetic acid) to complex aged varieties like balsamic vinegar (up to 25 years of aging) or rice vinegar from East Asian fermentation traditions. Color and aromatic compounds develop during fermentation and aging, creating distinct flavor profiles from sharp and pungent to mellow and complex.

Vinegar functions as both a seasoning agent and a preservative across global cuisines. It balances richness in sauces, marinades, and dressings; sharpens the flavors of soups and stews; and acts as a tenderizing agent in meat preparations. Common applications include vinaigrettes for salads, pickling of vegetables and fruits, deglazing pans, Asian stir-fries and braised dishes, ceviche preparation, and condiment production. Different vinegars are paired with specific cuisines: balsamic with Italian cooking, rice vinegar with East Asian dishes, sherry vinegar with Spanish tapas, and apple cider vinegar with American and Northern European traditions. The acidity also aids in leavening baked goods when combined with baking soda.