Is Tahini Low FODMAP? Serving Sizes Explained

Tahini is low FODMAP. Monash University, the leading authority on FODMAP testing, has tested both hulled and unhulled versions of tahini and confirmed that both have a low FODMAP content at standard serving sizes. If you’re following the low FODMAP diet for irritable bowel syndrome, tahini is one of the easier pantry staples to keep in rotation.

Hulled vs. Unhulled Tahini

Tahini comes in two main forms. Hulled tahini is made from sesame seeds with their outer shell removed, resulting in a lighter color and smoother, milder flavor. Unhulled tahini keeps the hull intact, giving it a darker appearance and slightly more bitter, nuttier taste. Some people assume the extra fiber in the hull might push the FODMAP content higher, but Monash University has tested both and rated them equally low FODMAP. So you can choose whichever version you prefer based on taste and texture without worrying about triggering symptoms.

Serving Size Guidelines

As with most foods on the low FODMAP diet, serving size matters. Tahini is considered safe at a typical serving of about one to two tablespoons (roughly 15 to 30 grams). That’s enough for dressing a salad, spreading on toast, or mixing into a sauce. Sticking within this range keeps you comfortably in the green zone according to Monash testing.

If you’re using tahini in a shared dish like hummus, the per-person amount is what counts. Monash University’s own hummus recipe uses half a cup of hulled tahini (about 125 grams) to serve six to eight people, which works out to roughly one to two tablespoons of tahini per portion. That keeps each serving low FODMAP as long as you’re not eating half the batch in one sitting.

Common Ways to Use Tahini on a Low FODMAP Diet

Tahini is especially useful on the low FODMAP diet because so many nut butters and spreads come with portion restrictions or higher FODMAP ratings. Tahini gives you a creamy, rich base without a lot of the fructans or GOS (the carbohydrate chains that tend to cause trouble) found in some other seeds and legumes.

  • Salad dressings: Whisk a tablespoon of tahini with lemon juice, a splash of water, and a pinch of salt for a simple dressing that avoids garlic and onion.
  • Hummus: Traditional hummus combines tahini with canned chickpeas. Canned chickpeas are lower in FODMAPs than dried ones because the problematic sugars leach into the canning liquid. Stick to about a quarter cup of canned, drained chickpeas per serving to stay in the safe range.
  • Sauces and dips: Tahini thinned with water works as a drizzle over roasted vegetables, grilled chicken, or rice bowls. Adding cumin or smoked paprika keeps it flavorful without high FODMAP ingredients.
  • Baking: Tahini can replace some of the fat in cookies and energy balls. A tablespoon or two per serving fits comfortably within FODMAP limits.

Watch for Added Ingredients

Pure tahini is just ground sesame seeds, sometimes with a small amount of oil. That’s the version that’s been tested and rated low FODMAP. Some store-bought varieties add garlic, onion powder, honey, or other flavorings that can introduce FODMAPs. Always check the ingredient list and look for tahini with one or two ingredients: sesame seeds and possibly a neutral oil like sunflower or sesame oil.

Tahini-based products like flavored dips or pre-made dressings are a different story. These often contain garlic or onion as primary flavoring agents, both of which are high in fructans. The tahini itself isn’t the problem in those products, but the extras can be.

Storing Tahini

Tahini separates naturally, with oil rising to the top. Stir it well before each use. An opened jar keeps for several months in the refrigerator, though it thickens when cold. If you find refrigerated tahini hard to work with, let it sit at room temperature for ten to fifteen minutes or stir in a small splash of warm water to loosen it. Unopened jars are shelf-stable for up to a year. The FODMAP content does not change with storage or refrigeration.