tbs. nutritional yeast flakes

Nutritional yeast is a deactivated strain of Saccharomyces cerevisiae, a baker's yeast that has been heat-treated to render it inactive as a leavening agent. The yeast cells are harvested, washed, dried, and processed into flakes or powder form. Nutritional yeast has a savory, umami-rich flavor often described as cheesy or nutty, making it popular among those seeking alternatives to aged cheese. It is typically fortified with B vitamins, particularly B12, which is naturally absent in yeast and must be added during manufacturing.

The ingredient originated from yeast byproducts of brewing and fermentation industries but is now cultivated specifically for nutritional supplementation. It differs fundamentally from active dry yeast or instant yeast, which retain enzymatic activity and are used as leavening agents in baking.

Nutritional yeast flakes function primarily as a seasoning and umami enhancer, used to add savory depth and a cheese-like flavor to dishes. Common applications include sprinkling over popcorn, pasta, roasted vegetables, and salads; blending into soups and sauces for richness; and incorporating into vegan cheese substitutes, plant-based sauces, and nutritional bowls. The ingredient is particularly valued in vegan and plant-based cuisines as a dairy-free source of B vitamins and as a umami seasoning. It can be used directly in dressings, sprinkled as a finishing garnish, or blended into cashew-based cream sauces and nutritional "cheese" preparations. The flakes dissolve readily when added to warm dishes but maintain texture when used as a topping.