Bulletproof Coffee: Is Grass-Fed Butter Necessary?

Quick answer

• The “bulletproof” aspect of bulletproof coffee comes from blending specific ingredients, not just grass-fed butter.
• While grass-fed butter is traditional, regular unsalted butter can be used as a substitute.
• The key is to use high-quality, unsalted butter and MCT oil or coconut oil.
• Blending is crucial to emulsify the fats into a creamy, latte-like consistency.
• If you’re new to bulletproof coffee, start with smaller amounts of the added fats to see how your body reacts.
• Grass-fed butter offers a slightly different nutrient profile and flavor, but it’s not the sole determinant of a successful bulletproof coffee.

While grass-fed butter is traditional for bulletproof coffee, regular unsalted butter can be used as a perfectly good substitute. Just ensure it’s high-quality and unsalted for the best flavor.

Vital Farms Unsalted Butter, 16oz

• UNSALTED BUTTER: Each package comes with 4 sticks of Vital Farms Unsalted Butter made with cream from cows raised on family farms.
• 90% GRASS-FED: The girls enjoy a diet of 90% grass, while the remaining 10% is nutritionally balanced feed to ensure a well-rounded diet.
• PASTURE-RAISED: The farmers we work with raise their four-legged ladies with care and respect on family farms where cows enjoy outdoor access 200 days per year on average.
• HIGH BUTTERFAT: The girls supply a rich cream that’s churned into creamy, melt-in-your mouth butter
• CONSCIOUS CAPITALISM: Vital Farms is a Certified B Corporation with a purpose to improve the lives of people, animals, and the planet through food.

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Who this is for

• Individuals interested in incorporating bulletproof coffee into their morning routine for potential energy and focus benefits.
• Those curious about the specific ingredients and techniques required for making bulletproof coffee at home.
• People who may have tried bulletproof coffee before and are looking to refine their brewing process or understand ingredient choices.

What to check first

Brewer type and filter type

The type of coffee maker you use and the filter it employs will influence the final taste and body of your coffee. Drip machines, pour-overs, and French presses all yield different results. For bulletproof coffee, a clean, well-functioning brewer is essential. Ensure your filter is appropriate for your brewer; paper filters can remove more oils than metal or cloth filters, which might affect the richness.

Water quality and temperature

Water makes up the vast majority of your coffee, so its quality matters significantly. Using filtered water, free from strong odors or tastes, will result in a cleaner-tasting brew. For bulletproof coffee, optimal brewing temperature is typically between 195°F and 205°F. Water that is too cool can lead to under-extraction, resulting in a weak and sour cup. Water that is too hot can scorch the coffee grounds, leading to a bitter taste.

Grind size and coffee freshness

The grind size must match your brewing method. For drip machines or pour-overs, a medium grind is common. A French press requires a coarser grind. Freshly roasted and ground coffee beans are paramount for the best flavor. Coffee loses its aromatic compounds quickly after grinding, so grinding just before brewing is ideal. Stale coffee will result in a flat, uninspired base for your bulletproof concoction.

Coffee-to-water ratio

The standard starting point for coffee-to-water ratio is often around 1:15 to 1:18 (e.g., 1 gram of coffee to 15-18 grams of water). For bulletproof coffee, you might adjust this slightly to create a stronger base to hold the added fats. Experimenting within this range is key to finding your preferred strength. Too little coffee can make the brew too weak to mask the butter and oil flavors, while too much can make it overwhelmingly bitter.

Cleanliness/descale status

A clean coffee maker is non-negotiable for good-tasting coffee. Mineral buildup from water (scale) can affect brewing temperature, water flow, and impart off-flavors. Regular cleaning and descaling, following your manufacturer’s instructions, will ensure your brewer functions optimally and your coffee tastes pure. This is especially important when adding fats, as residual oils from previous brews can go rancid and negatively impact the final product.

Step-by-step (brew workflow)

1. Grind your coffee beans.

• What “good” looks like: A consistent grind size appropriate for your brewing method. For example, a medium grind resembling coarse sand for a drip machine.
• Common mistake: Grinding too fine or too coarse for your brewer, or using pre-ground coffee that has lost its freshness.
• How to avoid: Use a burr grinder for consistency and grind only what you need immediately before brewing. Check your brewer’s manual for recommended grind size.

2. Heat your water.

• What “good” looks like: Water heated to the optimal brewing temperature range of 195°F to 205°F.
• Common mistake: Using boiling water (212°F) or water that is too cool.
• How to avoid: Use a temperature-controlled kettle or let boiling water sit for about 30-60 seconds before pouring.

3. Brew your coffee.

• What “good” looks like: A full-bodied, flavorful cup of black coffee brewed to your preferred strength.
• Common mistake: Inconsistent pouring (for pour-over) or over/under-extraction due to incorrect grind or water temperature.
• How to avoid: Follow your brewer’s specific instructions. For pour-over, aim for a slow, steady pour in concentric circles.

4. Measure your butter and MCT oil.

• What “good” looks like: Precisely measured amounts of unsalted butter (or ghee) and MCT oil (or coconut oil). A common starting point is 1-2 tablespoons of butter and 1-2 tablespoons of oil per 8-12 oz cup of coffee.
• Common mistake: Eyeballing the amounts, leading to an unbalanced or overly greasy drink.
• How to avoid: Use measuring spoons for accuracy, especially when starting out.

5. Add coffee, butter, and oil to a blender.

• What “good” looks like: All ingredients are safely in the blender carafe, ready for blending.
• Common mistake: Overfilling the blender, which can cause spills or inefficient blending.
• How to avoid: Brew a slightly smaller batch of coffee if necessary, or use a larger blender.

6. Blend on high speed.

• What “good” looks like: The mixture emulsifies into a creamy, frothy, latte-like consistency with no visible oil separation.
• Common mistake: Blending for too short a time, resulting in a separated, oily drink.
• How to avoid: Blend for at least 30-60 seconds, or until a thick foam forms on top.

7. Pour into your mug.

• What “good” looks like: A smooth, creamy beverage with a uniform texture.
• Common mistake: Pouring too quickly, which can disturb the emulsified fats.
• How to avoid: Pour gently to maintain the creamy texture.

8. Enjoy immediately.

• What “good” looks like: A warm, satisfying drink with a rich mouthfeel and a smooth flavor.
• Common mistake: Letting it sit for too long, which can cause the emulsion to break down.
• How to avoid: Consume your bulletproof coffee shortly after preparation for the best texture and taste.

Common mistakes (and what happens if you ignore them)

Decision rules (simple if/then)

• If your coffee tastes bitter, then reduce the brewing temperature or grind size slightly because hotter water or finer grounds can over-extract.
• If your coffee tastes sour, then increase the brewing temperature or grind size slightly because cooler water or coarser grounds can under-extract.
• If your bulletproof coffee separates into oil and liquid after blending, then blend for a longer duration on high speed because insufficient blending prevents proper emulsification.
• If you experience digestive discomfort after drinking bulletproof coffee, then reduce the amount of MCT oil or butter you use because introducing too much fat too quickly can be hard on the digestive system.
• If your coffee tastes weak, then increase the coffee-to-water ratio or use a finer grind because more coffee grounds or a finer grind will result in a stronger brew.
• If your butter and oil don’t blend smoothly, then ensure your coffee is hot enough because a lukewarm base makes emulsification more difficult.
• If your final drink has a greasy mouthfeel, then you may have used too much oil or not blended sufficiently, so adjust quantities or blending time.
• If you are new to bulletproof coffee, then start with 1 tablespoon of unsalted butter and 1 teaspoon of MCT oil per 8 oz cup because this allows for gradual adjustment to the fat content.
• If you want a richer flavor and potentially more beneficial fatty acids, then use grass-fed butter or ghee because it has a different nutrient profile and taste compared to conventional butter.
• If your coffee tastes “off” or stale, then check the freshness of your coffee beans and grind them immediately before brewing because freshness is key to good flavor.
• If you prefer a dairy-free option, then use coconut oil instead of butter and ensure your coffee is brewed without any dairy additives because this will maintain the fat-rich profile.
• If your blender struggles to emulsify, then ensure you are using a high-speed blender and that the coffee is hot, as these are crucial for creating the desired creamy texture.

If you want a richer flavor and potentially more beneficial fatty acids, consider using grass-fed butter or ghee. It offers a different nutrient profile and taste compared to conventional butter.

Kerrygold Grass-Fed Pure Irish Salted Butter Sticks, 16 OZ

• KERRYGOLD PURE IRISH SALTED BUTTER: Our European-style salted butter is made on family farms from the milk of grass-fed cows, who graze year round on lush Irish pastures, for a golden yellow butter that's rich & creamy.
• ALL-NATURAL, ALL-PURPOSE: Kerrygold Salted Butter is a great all-purpose, all-natural butter. Keep a block in your butter dish to spread on fresh bread, or enhance the flavor of your baking & cooking.
• KERRYGOLD BUTTER: Made from the milk of grass-fed cows, our pure Irish butter is rich and soft. From salted butter to unsalted, garlic and herb to reduced fat, Kerrygold butter elevates your dishes.
• MORE THAN BUTTER: Beloved for our richly flavorful butter, we put the same care and quality into our all-natural cheese, like our classic Dubliner, aged cheddar, Swiss, and Blarney Castle cheese.
• TASTE THE DIFFERENCE: Kerrygold butter & cheese are made with milk from grass-fed cows not treated with rBST or other growth hormones* & raised on Irish family dairy farms. This all-natural milk is what makes our products so flavorful & creamy.

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FAQ

Do I really need grass-fed butter for bulletproof coffee?

Grass-fed butter is traditionally used for its potentially higher omega-3 fatty acids and butyrate content, offering a slightly richer flavor. However, it’s not strictly necessary. High-quality, unsalted regular butter or ghee can be used as a substitute if grass-fed butter isn’t available.

What is MCT oil, and why is it used?

MCT oil (medium-chain triglyceride oil) is a type of fat that is easily digested and quickly converted into energy by the body. It’s crucial for the emulsification process in bulletproof coffee, helping to create that smooth, creamy texture when blended with hot coffee and butter.

Can I use regular coconut oil instead of MCT oil?

Yes, you can use regular coconut oil. Coconut oil also contains MCTs, though in a different ratio than pure MCT oil. It will contribute to the creamy texture, but some find pure MCT oil to be more potent for energy and emulsification.

What happens if I don’t blend my bulletproof coffee?

If you don’t blend your bulletproof coffee, the butter and oil will not emulsify. You’ll end up with a layer of oil and melted butter floating on top of your black coffee, which is unappetizing and doesn’t provide the intended smooth, latte-like consistency.

How much butter and oil should I use?

A common starting point is 1-2 tablespoons of unsalted butter and 1-2 tablespoons of MCT oil per 8-12 oz cup of coffee. However, it’s highly recommended to start with smaller amounts (e.g., 1 teaspoon of each) and gradually increase to find what works best for your taste and digestive system.

Can I make bulletproof coffee with decaf coffee?

Absolutely. The process of making bulletproof coffee involves adding fats to any brewed coffee. If you prefer decaf, simply brew your decaf coffee and then blend it with butter and MCT oil as you would with regular caffeinated coffee.

Is bulletproof coffee a meal replacement?

For some, bulletproof coffee can serve as a temporary meal replacement, particularly in the morning, due to its high fat content which can promote satiety. However, it lacks a full spectrum of nutrients found in a balanced meal. It’s best to consider your individual dietary needs and consult with a healthcare professional.

What kind of blender is best for bulletproof coffee?

A high-speed blender is ideal for achieving the best emulsification and creamy texture. While a standard blender can work, you may need to blend for a bit longer and potentially get a slightly less frothy result. Ensure your blender is capable of handling hot liquids.

What this page does NOT cover (and where to go next)

• Specific health claims or benefits associated with bulletproof coffee (e.g., weight loss, cognitive enhancement). For this information, consult with a registered dietitian or healthcare provider.
• Detailed nutritional breakdowns of grass-fed butter versus conventional butter. Further research into dairy science and nutrition would be beneficial.
• Recipes for flavored bulletproof coffee variations. Explore culinary blogs or recipe sites for creative additions like spices or extracts.
• Advanced coffee brewing techniques beyond the basic pour-over or drip methods. Look for resources dedicated to specialty coffee brewing.