Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day
Free Canada-wide shipping — every order, no minimum
WELCOME10 — 10% off your first order
30-day free returns · packed in 1 business day





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Every order ships free — no minimum. Packed within 1 business day, delivered in 2–7 business days for most of Canada.
Unopened items return free within 30 days. Damaged or wrong item? Photo within 48h — instant replacement or refund.
Always check the manufacturer's label for ingredients and allergens before consuming — formulations can change between batches.
If you love the depth and tang of sourdough but don’t want the daily feeding and upkeep, this 3-pack of 0.25oz packets is made for you. Each packet is formulated to behave like a real sourdough culture: it contains wild yeast and beneficial bacteria in a convenient, dry format so you can mix it into doughs and bake with predictable, sourdough‑style fermentation.
Unlike baker’s yeast, which primarily produces carbon dioxide for rise, Leaven’s instant sourdough brings both wild yeast and bacteria that contribute flavor, aroma, and fermentation complexity. It is not a one-to-one swap for instant yeast in every recipe; recipes tested with Leaven will yield the best results.
Yes — the culture is versatile and suits many leavened baked goods. From pizza dough to bagels, to enriched items like cinnamon rolls, the packet adds a tang and fermentation profile you’d expect from traditional sourdough.
Keep packets in a cool, dry place away from moisture and heat to preserve potency. Use the measured 0.25oz packet directly in your dough according to Leaven’s tested recipes or adapt based on your baking experience.
Experienced bakers can adapt existing recipes by treating the packet as a preferment component and adjusting timing for fermentation strength. Because Leaven’s culture ferments differently than pure baker’s yeast, monitoring dough temperature and rise times will help you dial in ideal results.
Who is this for? Home bakers who want authentic sourdough flavor without the ongoing care of a starter, cooks who like experimenting with fermented doughs, and families who want reliable sourdough results on pizza night, weekend bakes, or batch baking. It’s also a convenient option for bakers who appreciate non‑GMO, shelf‑stable ingredients and want to add the character of sourdough to a wide variety of baked goods without the commitment of maintaining a live culture.
Note: Leaven Foods Instant Sourdough is intended as a starter replacement and a baking ingredient. Follow tested recipes or adapt thoughtfully; results depend on recipe, environment, and technique. Product attributes: gluten‑free labeling pertains to the culture format, but always verify ingredient compatibility for your specific use.
Strains of Saccharomyces cerevisiae and Fructiactobacillus sanfranciscensis, and Levilactobacillus brevis, sucrose, maltose, trehalose, and sodium ascorbate (vitamin C).
Q: Do I need to feed or maintain this starter replacement?
A: No. Leaven Instant Sourdough is a single‑use powdered culture that requires no feeding or upkeep — simply mix into your dough and bake.
Q: How many loaves can I bake with one packet?
A: Each 0.25oz packet can bake up to about seven home‑size loaves, depending on recipe and loaf size.
All items at Spices To Snacks are shelf-stable — no frozen or refrigerated goods — and ship in protective packaging. Store in a cool, dry place away from direct sunlight. Always check the manufacturer's label for ingredients, allergens and best-before dates; the physical label is authoritative.
Shipping: free on every order across Canada — no minimum. We pack within 1 business day; delivery takes 2–5 business days in Ontario & Québec, 3–7 in Western and Atlantic Canada, 5–10 in the territories.
Returns: unopened, non-perishable items return free within 30 days. Damaged or wrong item? Email a photo within 48 hours and we replace or refund immediately — no return shipment needed.
✓ Free Canada-wide shipping, no minimum
✓ Packed in 1 business day
✓ 30-day free returns
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✓ Email support 24/7 — spicestosnacks@gmail.com
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