Olive oil is a rich, flavorful liquid fat that is extracted from olives, a fruit grown predominantly in the Mediterranean region. It is an integral part of Mediterranean cuisine and is used in an array of recipes for its delightful aroma and health properties. It comes in different varieties such as extra virgin, virgin, and lampante, each having its own distinct taste, acidity levels, and nutritional value.

Extra virgin olive oil, the highest quality and most expensive variant, is made from the first cold-pressing of olives and has a robust, fruity flavor which enhances the taste of salads, dips, and pizzas. It has low acidity levels and offers a myriad of health benefits, like heart health, thanks to its high content of monounsaturated fats.

Olive oil can also be used for sautéing, marinating, roasting, or even as a finish to dishes just before serving. Its relatively high smoking point makes it suitable for medium-heat cooking. This versatile ingredient not only enriches the flavor profile of a dish but also adds to its aesthetic appeal due to its golden to deep green color.

Olive oil in a grocery store is typically found in the cooking oils and condiments aisle. Look for sections labeled "cooking oil," "olive oil," or "condiments." It's often arranged next to other types of cooking oils like canola oil, vegetable oil, coconut oil, etc. If you can't find it, ask a store associate for help.