Cold sauces & condiments
Timur Tomato Achar
Timur Tomato Achar · A Nepali condiment-achar built on cooked-down tomatoes blended with timur (Zanthoxylum armatum, the Nepalese Himalayan Sichuan pepper) into a thick, spoonable paste. The timur contributes a signature citrus-floral aroma and gentle oral numbing from hydroxy-alpha sanshool, while garlic, chili, and mustard oil provide pungency, heat, and an earthy base. Functionally a reusable flavor base/condiment (salsa-like) served alongside mains or used as a spread.

The formula
4 tomatoes : 5-7 timur berries : 1-2 tbsp mustard oil (timur ~1/4 tsp per 4 tomatoes)
Tomato dominates; timur is dosed small for aroma+numbing, not heat. No sesame appears in any source recipe.
Identity
- Nepali achar / chutney condiment family, served as a side or spread
- Signature spice is timur (Zanthoxylum armatum), the Nepalese Sichuan pepper — provides citrusy aroma and mild oral numbing, not capsaicin heat
- Tomato is cooked down then blended (or traditionally mortar-pounded) into a thick, spoonable paste
- Tempered in mustard oil, the canonical fat for Nepali achar
- Versatile: pairs with dal bhat, momo, Thakali khana set, grilled meats, or flatbreads
Ingredients
| Base | Ripe tomatoes (plum, cherry, or any thin-skinned ripe) | Provides body, sweetness, and tang; ~500 g for ~1 cup finished paste (Pab's Thakali style; Sattva Nepal uses 4 large). |
| Fat | Mustard oil | 2 tbsp (Sattva) to 1 tbsp (Bimala/Nibble) — gives the characteristic pungent Nepali achar base. |
| Aromatics | Garlic cloves (roughly chopped) | 3 cloves (Sattva) or 4 (Pab's); Bimala uses 1 — toasted/charred optional for smokier Thakali profile. |
| Flavor | Timur berries (Zanthoxylum armatum / Nepalese Sichuan pepper) | 5-7 berries (Sattva) or ~1 tsp (Pab's); added late so the numbing-citrus volatiles survive cooking. |
| Aromatics | Green or dried red chili | 2 chopped green chilies (Sattva) or 4 dried red chilies (Pab's) plus optional chili powder for deeper heat and color. |
| Seasoning | Salt | To taste; Himalayan salt common in Nepali sources. |
| Garnish | Fresh coriander (cilantro) or mint | Used as finishing herb (Sattva, Pab's, Nibble); adds fresh top-note. |
| Aromatics | Cumin seeds, ginger, or onion | Sattva adds ½ tsp cumin + ginger + onion for a sautéed base; Thakali and Bimala versions omit these for a cleaner tomato-timur profile. |
Method
- 1Heat mustard oil and temper cumin seeds (if using) until fragrant; add chopped onion, garlic, ginger, and chili and sauté briefly to release raw aromas.Mustard oil needs gentle heating to mellow its raw pungency; tempering blooms the fat-soluble aromatics that carry the achar's base flavor.
- 2Add the chopped tomatoes and cook down until they soften, collapse, and lose their raw taste.Cooking concentrates sugars, evaporates excess water so the final paste holds its body, and cooks off the raw tomato edge that would clash with timur.
- 3Remove from heat and let the tomato mixture cool for a couple of minutes.Prevents the blender from building steam (which thins the paste) and protects timur's volatile aroma compounds from heat degradation.
- 4Transfer to a blender (or traditional mortar) with the timur berries and salt; grind/pound to a thick, cohesive paste.Timur is added at the cool stage so its citrusy, numbing hydroxy-alpha sanshool survives; mortar-pounding (traditional) keeps more coarse texture and aromatic oils than high-speed blending.
- 5Adjust salt and chili to taste; fold in chopped cilantro or mint just before serving.Fresh herbs added at the end preserve their volatile top-notes that heat would destroy.
Techniques that matter
Tempering (tadka/chaunk) in mustard oil
Blooming spices in hot oil is the foundational Nepali/North-Indian achar technique that extracts fat-soluble flavor from cumin, garlic, and chili.
Cooking-down tomatoes before blending
Reduces water content and raw acidity so the finished paste clings to food rather than weeping.
Late addition of timur berries
Timur's signature aroma and sanshool-driven numbing are heat-labile; grinding them in after cooling preserves the defining flavor.
Mortar-pounding (traditional)
Full Time Explorer notes the household mortar method gives a coarser, more aromatic paste than a blender; blenders are the modern substitute.
Variations & derivatives
Sattva-style home acharNepal (general home cooking)
Adds sautéed onion, ginger, and cumin for a deeper, warmer base; finished with mint or coriander.
Thakali-style Tomato Timur ChutneyThakali region, Nepal (Pab's Kitchen)
Uses cherry tomatoes, dried red chilies, optional charred garlic, red chili powder, and fresh coriander; no onion/ginger, cleaner tomato-timur focus.
Bimala Thapa's Tomato Timur PickleUnion Square / Kathmandu (Nibble Somerville)
Minimalist version — 3 plum tomatoes, 1 green chili, 1 garlic clove, 4-5 timur, cilantro, 1 tbsp mustard oil; tomatoes can be grilled in summer for smoky depth.
Traditional mortar-pounded acharRural Nepali households
No blender; pounded in a stone mortar for a coarser, more rustic paste (Full Time Explorer family tradition).
Used in these dishes
Substitutions
- Timur berries (Zanthoxylum armatum) → Sichuan peppercorn (Zanthoxylum bungeanum or simulans) — Closest substitute — same sanshool-driven numbing; Z. armatum has a more pronounced citrus note, so use slightly less.
- Mustard oil → Cold-pressed neutral vegetable oil (sunflower or canola) — Loses the characteristic Nepali pungency; achar will taste milder and less assertive.
- Green chili → Dried red chili + chili powder — Adds smoky depth and red color (Thakali approach); adjust quantity for heat.
- Fresh cilantro → Fresh mint leaves — Both used as cool garnish in Sattva Nepal's recipe; mint is more cooling, cilantro more grassy.
- Timur berries → Black peppercorns + lemon zest — Only in desperation — lacks the true sanshool numbing but approximates the citrus-pepper note.changes result
Troubleshooting
Paste is watery and runs off the food
Tomatoes not cooked down enough before blending, or blender heat thinned the mixture → Return to pan and simmer to reduce, or add less timur/liquid; cool fully before blending.
No tongue-tingle / numbing sensation
Stale or old timur berries, or berries added too early and heat-degraded → Source fresh timur from a Nepali/South Asian grocer and stir in at the cool/blend stage only.
Achar tastes bitter or medicinal
Mustard oil overheated past smoking, or timur over-ground to powder → Discard and start with gentler oil heating; lightly crack timur, do not pulverize.
Flavor feels flat despite correct ingredients
Insufficient salt, or the tomato-timur balance is off — too much tomato muting the timur → Adjust salt first; bump timur by 1-2 berries and re-blend a small portion to test.