Cultured butter is excellent for keto: ~0.1g net carbs per 100g and ~82g fat make it a near-pure fat. The culturing step adds a tangy flavor; some brands include live cultures, but many finished butters contain few or no probiotics—check labels if this matters.
Cultured butter is excellent for keto: ~0.1g net carbs per 100g and ~82g fat make it a near-pure fat. The culturing step adds a tangy flavor; some brands include live cultures, but many finished butters contain few or no probiotics—check labels if this matters.
Per 100g (raw)
Source: Nutritional databases and food labels
Mash with herbs, garlic, or lemon zest; chill and slice over steaks, fish, or veggies for a chef-y finish.
Blend a small pat with mct-oil into black coffee for a creamy, high-fat morning option.
Use for gentle sautéing or finish seared meats and vegetables for gloss and flavor.
Whisk into egg yolks and lemon for a classic hollandaise to pair with eggs-whole and asparagus.
Melt over steamed broccoli, zucchini, or cauliflower; finish with sea salt and fresh herbs.
Emulsify into pan sauces or gravies to add body, sheen, and rich mouthfeel.
As an Amazon Associate, KetoLens earns from qualifying purchases. We only recommend products we've researched — recommendations never affect our keto verdicts.
Vermont Creamery cultures its cream overnight before slow-churning to an 86% butterfat, European-style butter with essentially zero carbs and a deeper, tangier flavor than standard sweet cream butter, making it a nutrient-dense, high-fat spread well suited to keto cooking and baking.
Made from cultured cream sourced from grass-fed Irish cows, Kerrygold's unsalted butter delivers the same essentially-carb-free, high-fat keto profile as premium cultured butters at a fraction of the price, with a lighter tang and the deep golden color typical of pasture-raised dairy.
A true AOP (protected-origin) French cultured butter, matured 16-18 hours with lactic starters and slow-churned in Normandy to 82%+ butterfat, prized by pastry chefs for its dense, silky texture and pronounced hazelnut-cream flavor - a step up in provenance and certification from standard cultured butters for keto bakers who want the gold standard.