Tahini is a thick, creamy paste made by grinding sesame seeds (Sesamum indicum). Think of it as sesame in its “concentrated” form: whole seeds add crunch and a light aroma, while tahini delivers deep sesame flavor and a smooth, rich texture.
How tahini is made
The basic process is simple:
1) Sesame seeds are selected (most commonly light sesame; black sesame can be used for a bolder profile).
2) Seeds are often lightly toasted to boost aroma.
3) They’re ground until the natural oils release and the mixture turns creamy.
The final texture depends on the seed’s oil content and how fine the grind is.
Taste and texture
Tahini is nutty, slightly bitter in some batches, and naturally oily. Toasted-seed tahini tends to taste deeper; over-toasting can push bitterness.
Where tahini is used
Tahini works in two big lanes:
- Sweet: tahini + molasses/honey, cookies, cakes, halva-style desserts, creamy fillings.
- Savory: hummus (core ingredient), tahini-lemon-garlic sauces, dressings for salads/bowls, drizzles over roasted vegetables.
Why tahini “thickens” when you add lemon
When tahini meets acidic ingredients (like lemon juice), it can suddenly thicken or look like it “seized.” This is usually normal emulsion behavior. Add a little water and whisk—most sauces become smooth and creamy again.
Storage tips
- Keep it tightly sealed, cool, and away from light.
- Don’t dip wet spoons into the jar (moisture shortens shelf life).
- Oil separation on top is normal; stir before use.
Does tahini go bad?
Signs of spoilage include a heavy rancid-oil smell, unpleasant sharp bitterness, or moldy notes. Separation alone is not spoilage.
Summary: Tahini is sesame paste—intense, versatile, and central to both sweet breakfasts and savory sauces. Proper storage keeps its aroma and texture at their best.