Use these Mad Millie sourdough yeast / cultures with your Mad Millie 15 minute sourdough bread making kit. Or use in place of a traditional starter with any sourdough recipe whenever the craving for sourdough strikes! With these sachets you’ll always be ready to bake a stunning sourdough loaf at home.
Mad Millie are on a mission to make homemade artisanal foods easy and fun. Based in New Zealand, their step-by-step kits are designed to help people reconnect with the joys of artisan techniques like cheese making, sourdough bread baking and more. With their motto ‘as fresh as can be’, Mad Millie are championing fresher, healthier food for everyone. The kits are ideal gifts or try one yourself and discover a new hobby.
Contains 3 sachets. Ingredients: yeast, dextrose, Lactococcus lactis subsp. Cremoris, Lactococcus lactis subsp. lactis, Lactococcus lactis subsp. lactis biovar diacetylactis, Leuconostoc. Contains milk. Allergens are listed in bold.

















Sarah Johnson –
I’m thrilled with Mad Millie Sourdough Yeast! It’s incredibly easy to use, and the results are amazing. My bread has never tasted this good. Highly recommend!
Michael Brown –
Great product for sourdough beginners. The cultures are consistent and reliable. My sourdough starter was active in no time. Very satisfied!
Emily Davis –
Mad Millie has made sourdough baking so much simpler. The yeast cultures are potent and long-lasting. My loaves have the perfect tang and texture.
David Wilson –
These cultures are a game-changer for sourdough enthusiasts. I’ve tried multiple brands, but Mad Millie stands out for its quality and consistency.
Laura Martinez –
I love Mad Millie Sourdough Yeast! It’s perfect for maintaining a healthy starter. My bread has improved significantly since I started using it.
James Anderson –
Excellent product! The cultures are robust and easy to work with. My sourdough has never been better. Worth every penny!
Karen Taylor –
Mad Millie’s yeast cultures are fantastic. They’ve made my sourdough baking experience so much more enjoyable. I’m hooked!
Robert Clark –
Highly recommend this product to anyone serious about sourdough. The cultures are top-notch, and the results speak for themselves.
Mary White –
Mad Millie Sourdough Yeast is a must-have for bakers. It’s reliable, easy to use, and produces excellent sourdough every time.
Daniel Harris –
This product has elevated my sourdough game. The cultures are potent, and my bread has the perfect flavor and texture. Love it!
Jennifer Lee –
Mad Millie’s yeast cultures are amazing. They’ve made my sourdough baking so much more consistent and enjoyable. Highly recommend!
William Green –
Outstanding product! The cultures are reliable, and my sourdough has never tasted better. Mad Millie is my go-to brand now.
Nancy King –
I’m so happy with Mad Millie Sourdough Yeast. It’s easy to use, and the results are fantastic. My bread has never been better.
Christopher Scott –
This product is a game-changer for sourdough bakers. The cultures are potent and reliable, and my bread has improved significantly.
Patricia Young –
Mad Millie’s yeast cultures are excellent. They’ve made my sourdough baking so much more enjoyable and consistent. Highly recommend!