FREQUENTLY ASKED QUESTIONS
ABOUT KERN RIVER MILLING
Kern River Milling is a small-batch fresh-milled flour company based in Bakersfield, California. We specialize in whole grain flour and wheat berries, milled fresh to order from high-quality, non-GMO wheat berries. Our name honors the original Kern River Flour Mills, built in 1871 along the Kern Island Canal, one of Bakersfield’s earliest milling operations.
We’re based in Bakersfield, CA at 10000 City Hills Dr, Bakersfield, CA 93306. We offer local pickup, local delivery, and nationwide shipping so anyone across the U.S. can order fresh-milled flour.
Every bag is milled by Ashlyn Hall, our miller and the heart of Kern River Milling. Each batch is milled fresh when you order, not sitting on a shelf for months.
We are not currently USDA Certified Organic. Our flour is milled from non-GMO, naturally grown wheat berries sourced from quality farms. We’re committed to transparency, if you have questions about our sourcing, reach out at hello@kernrivermilling.com.
Yes! Local pickup is available at our Bakersfield location. You can also contact us about local delivery within the area.
ABOUT FRESH-MILLED FLOUR
Fresh-milled flour is whole grain flour that’s been ground directly from wheat berries shortly before use, rather than processed months in advance like store-bought flour. Because nothing is removed, the bran, germ, and endosperm are all intact, fresh-milled flour retains nearly 40 of the 44 essential nutrients the human body needs.
Commercial white flour is milled to remove the bran and germ so it has a longer shelf life. This strips out the fiber, healthy fats, B vitamins, vitamin E, and antioxidants. Fresh-milled flour keeps the whole grain intact, meaning it’s richer in nutrition, flavor, and natural oils. The tradeoff is a shorter shelf life, but that’s a sign it’s real food.
Yes, significantly. Fresh-milled whole grain flour contains the bran (fiber, B vitamins, minerals), the germ (antioxidants, vitamin E, healthy fats), and the endosperm (protein and carbohydrates). All-purpose flour contains only the endosperm. Even “enriched” flour, which has some nutrients added back in, doesn’t come close to what’s naturally present in a freshly milled whole grain.
Noticeably so. Fresh-milled flour has a richer, nuttier, more complex flavor than store-bought flour because the natural oils in the germ are still present and haven’t oxidized. Many bakers describe their first loaf made with fresh-milled flour as a revelation, it tastes like real bread again.
Not quite. Fresh-milled whole wheat flour is more absorbent than all-purpose flour and behaves differently in recipes. A general starting point is to substitute 25–50% fresh-milled flour for all-purpose and adjust hydration (add a bit more water or liquid) as needed. With time and practice, many bakers move to 100% fresh-milled flour successfully.
Because it still contains the germ, which carries healthy natural oils. Those oils are what make the flour so nutritious, and they also go rancid faster when exposed to air and heat. Store-bought flour removes the germ specifically to prevent this. Fresh-milled flour is real, living food.
Absolutely, and many bakers say it makes the best sourdough. The natural wild yeasts and enzymes present in fresh-milled flour can actually improve fermentation. Hard red wheat and hard white wheat are the most popular choices for sourdough. See our blog for a full guide on which flour to use for sourdough.
Dense bread is the most common challenge when switching to fresh-milled flour. The main causes are under-hydration (whole grain flour absorbs more water), insufficient gluten development, or too-short fermentation time. Check out our full guide: Why Is My Whole Wheat Bread Dense?
This is usually caused by too little yeast activity, cold dough temperature, or under-proofing. Fresh-milled flour can also be more enzyme-active than store-bought, which affects rise. Read our full troubleshooting guide: Why Does My Whole Wheat Bread Not Rise?
STORAGE & SHELF LIFE
Store fresh-milled flour in an airtight container in the refrigerator for up to 2 weeks, or in the freezer for up to 6 months. Because it retains the germ and its natural oils, it is more perishable than commercial flour and should not be stored at room temperature for extended periods.
At room temperature in a cool, dry place, fresh-milled flour is typically best used within 3–5 days. For longer storage, refrigerate or freeze it.
Whole wheat berries have an excellent shelf life when stored properly. In an airtight container in a cool, dry place, they can last 1–2 years. For even longer storage, up to 25+ years, keep them in oxygen-free, sealed containers. This is one of the great advantages of buying wheat berries and milling your own flour.
OUR PRODUCTS
We offer a wide range of freshly milled whole grain flours including Hard Red Wheat, Hard White Wheat, Soft White Wheat, Einkorn, Spelt, Khorasan, Durum, Rye, and Sonora White Wheat. Each flour has a distinct flavor profile and best use case. Explore all our flours here.
We carry Hard Red, Hard White, Soft White, Einkorn, Spelt, Khorasan, Rye, and Durum wheat berries, all non-GMO. Perfect for home milling, sprouting, or cooking whole. Shop wheat berries here.
Hard red wheat has a stronger, more robust flavor with a slightly bitter note, it’s the classic whole wheat taste and ideal for hearty sourdough and sandwich breads. Hard white wheat is milder and slightly sweeter, making it more versatile for everyday baking including lighter loaves and even some pastries.
Einkorn is one of the oldest cultivated grains on earth, first grown over 10,000 years ago. It has a rich, nutty flavor, impressive nutritional profile, and a different gluten structure than modern wheat that many people find easier to digest. Read our full einkorn guide here.
Sonora White Wheat is one of the oldest wheat varieties in North America, with roots in the American Southwest going back centuries. It has a delicate, mild flavor and low protein content, making it ideal for tortillas, flatbreads, pie crusts, and pastries. It’s a heritage grain with a genuinely unique character.
Khorasan (sometimes sold under the brand name Kamut®) is an ancient grain with a rich, buttery flavor and high protein content. It’s excellent for pasta, pizza dough, and artisan bread. We mill it fresh to order so you get the full flavor and nutrition of this remarkable grain.
Our fresh-milled flours are available in 3 lb, 10 lb, and 25 lb bags. Wheat berries are available in 5 lb and 15 lb bags (Einkorn also available in 25 lb). Larger sizes offer better value per pound for regular bakers.
Yes, we carry home flour mills so you can mill your own fresh flour at home. View our flour mills here.
ORDERING & SHIPPING
Yes, we ship throughout the United States, (excluding Alaska & Hawaii) Orders are packed carefully to ensure your flour arrives fresh and intact.
Yes, we offer free shipping on orders over $100.
Since our flour is milled fresh to order, please allow 1–3 business days for processing before shipping. Delivery time depends on your location and the shipping carrier.
Yes! Select local pickup at check out and will contact you directly to arrange local pickup.
Please visit our Refund and Returns Policy page for full details. If there’s an issue with your order, reach out to us directly, we’re a small family business and we’ll make it right.
cLASSES & COMMUNITY
Yes! We offer a Fresh-Milled Flour 101 Virtual Class for bakers who are new to whole grain milling. It’s a great way to build confidence before diving in. Check availability here.
Our recipe library is always growing. Browse all our recipes here, from sourdough and sandwich bread to muffins, pancakes, and more.
Yes, sign up for our weekly newsletter and we’ll send you a free beginner’s guide to fresh-milled flour. We send one email per week, no spam.