How To Make Creamy Iced Bulletproof Coffee At Home

Quick Answer

• Brew strong, hot coffee.
• Blend hot coffee with MCT oil and grass-fed butter.
• Let it cool slightly.
• Pour over ice.
• Blend again with cold ingredients for extra froth.
• Taste and adjust.

Who This Is For

• Anyone looking for a rich, satisfying cold coffee drink.
• Folks interested in keto or low-carb lifestyles.
• Coffee lovers who want a creamy, energy-boosting beverage without the usual dairy.

What to Check First

Brewer Type and Filter Type

What kind of coffee maker are you using? Drip, pour-over, French press, AeroPress? They all make coffee differently. And what filter? Paper, metal, cloth? This impacts the final taste and body. For Bulletproof, a strong brew is key, so consider methods that yield a concentrated result.

Water Quality and Temperature

Tap water can have off-flavors. Filtered water is usually best for coffee. For hot brewing, aim for water between 195°F and 205°F. Too cool, and you won’t extract enough. Too hot, and you can scorch the grounds.

Grind Size and Coffee Freshness

Use whole beans and grind them right before brewing. For drip, a medium grind is standard. French press needs coarse. Espresso is fine. Freshness is non-negotiable for good coffee. Old beans taste flat.

Coffee-to-Water Ratio

This is crucial for strength. A good starting point is a 1:15 to 1:18 ratio (coffee to water by weight). So, for 30 grams of coffee, use 450-540 grams (or ml) of water. Adjust to your taste, but remember, Bulletproof needs a strong base.

Cleanliness/Descale Status

Is your brewer clean? Old coffee oils can go rancid and ruin your cup. If you have a machine, descale it regularly. A clean machine makes clean coffee. Simple as that.

Step-by-Step: How to Make Iced Bulletproof Coffee

1. Brew Your Coffee: Make a strong batch of hot coffee. Use your preferred method, but aim for a concentrated brew.

• Good looks like: Dark, aromatic, and piping hot coffee.
• Common mistake: Brewing weak coffee. You need a bold base for the fat. Use more grounds or less water.

Make a strong batch of hot coffee. Use your preferred method, but aim for a concentrated brew. If you’re looking to make iced coffee consistently, an iced coffee maker can simplify the process.

Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker, MultiStream Technology, 72oz Reservoir (Gen 2)

• BREW BY THE CUP OR CARAFE: Brews both K-Cup pods and coffee grounds.
• MULTISTREAM TECHNOLOGY: Saturates the grounds evenly to extract full flavor and aroma in every cup, hot or cold.
• BREW OVER ICE: Adjusts temperature for maximum flavor and less ice melt for single-cup iced coffees and teas.
• STRONG BREW & EXTRA HOT FUNCTIONALITY: Brews a stronger, more intense-flavored cup and the extra hot feature brews a hotter single cup.
• MULTIPLE BREW SIZES: Brew 6, 8, 10, or 12oz single cups or 6, 8, 10, or 12-cup carafes. 12-cup glass carafe specially designed to limit dripping.

Buy on Amazon

2. Measure Ingredients: While coffee brews, measure out your MCT oil and grass-fed butter. A common ratio is 1-2 tablespoons of MCT oil and 1-2 tablespoons of butter per 8-12 oz of coffee.

• Good looks like: Clearly measured oil and butter, ready to go.
• Common mistake: Guessing. Precision helps replicate that creamy texture.

While coffee brews, measure out your MCT oil and grass-fed butter. A common ratio is 1-2 tablespoons of MCT oil and 1-2 tablespoons of butter per 8-12 oz of coffee. For the best results, consider using high-quality grass-fed 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.

Buy on Amazon

3. Combine Hot Coffee and Fats: Pour the hot, freshly brewed coffee into a blender. Add the MCT oil and grass-fed butter.

• Good looks like: Everything in the blender, ready for action.
• Common mistake: Adding cold coffee. Blending hot liquid incorporates the fats much better.

4. Blend Until Frothy: Secure the lid and blend on high speed for 20-30 seconds. The mixture should emulsify into a creamy, latte-like consistency.

• Good looks like: A smooth, uniform, opaque liquid with a nice foam on top.
• Common mistake: Not blending long enough. This is where the magic happens. Give it time.

5. Cool Slightly (Optional but Recommended): Let the blended coffee sit for a minute or two. This helps it cool down enough so it doesn’t instantly melt all your ice.

• Good looks like: The foam settling slightly, the liquid still warm but not scalding.
• Common mistake: Skipping this and pouring straight onto ice. It can make the drink too watery too fast.

6. Prepare Your Ice: Fill a tall glass or shaker with ice.

• Good looks like: A glass packed with plenty of ice.
• Common mistake: Not enough ice. You want it cold, not lukewarm.

7. Pour Blended Coffee Over Ice: Carefully pour the warm, emulsified coffee mixture over the ice.

• Good looks like: The coffee chilling down on the ice.
• Common mistake: Splashing. Be gentle.

8. Add Cold Water or Milk (Optional): If you want to dilute it slightly or add more creaminess, add a splash of cold water or unsweetened almond milk.

• Good looks like: A small amount of liquid added to the glass.
• Common mistake: Adding too much. You don’t want to lose the rich flavor.

9. Blend Again (Optional, for Extra Froth): For an extra frothy, Starbucks-style iced drink, you can now blend the mixture with the ice for another 10-15 seconds.

• Good looks like: A super frothy, cold beverage.
• Common mistake: Over-blending and making it watery. Just a quick pulse is usually enough.

10. Taste and Adjust: Take a sip. Need more sweetness? Add a sugar-free sweetener. Want it richer? Add a tiny bit more butter or oil.

• Good looks like: A delicious, creamy, perfectly balanced drink.
• Common mistake: Not tasting. Your preferences matter most.

Common Mistakes (and What Happens If You Ignore Them)

Decision Rules

• If your coffee tastes bitter, then try a coarser grind or slightly cooler water because you might be over-extracting.
• If your coffee tastes sour, then try a finer grind or slightly hotter water because you might be under-extracting.
• If the butter and oil separate, then blend for longer or use a more powerful blender because the emulsion isn’t stable.
• If you experience digestive discomfort, then reduce the amount of MCT oil because your body might need time to adjust.
• If the drink isn’t cold enough, then use more ice or let the hot blend cool longer before pouring because the ice melted too fast.
• If you want a thicker drink, then add a bit more butter or MCT oil, or a splash of unsweetened almond milk, because these fats add body.
• If the drink tastes too “oily,” then reduce the amount of oil or butter in your next batch because you’ve used too much for your preference.
• If you want to increase caffeine without changing flavor, then add a shot of espresso to your brew because espresso is concentrated coffee.
• If you’re new to Bulletproof, then start with less MCT oil (1 teaspoon) and gradually increase because your system might need to adapt.
• If you find it too rich, then dilute it with a bit of cold water or unsweetened almond milk because this will lighten the texture.
• If your blender struggles, then let the hot coffee cool a bit more before blending because extremely hot liquids can sometimes be harder to emulsify.

FAQ

What is Bulletproof coffee?

It’s coffee blended with specific fats, usually MCT oil and grass-fed butter, to create a creamy, energy-boosting drink.

Can I use regular coffee?

Yes, but for the best flavor and to avoid off-notes, use good quality, fresh beans. The quality of your base coffee matters.

What kind of MCT oil should I use?

Look for 100% MCT oil, often derived from coconuts. Some people prefer C8 (caprylic acid) for faster energy.

Do I have to use grass-fed butter?

Grass-fed butter has a different nutrient profile and flavor compared to conventional butter. It’s recommended for the authentic Bulletproof experience.

Can I add sweeteners?

Absolutely. If you want it sweet, use sugar-free options like stevia, erythritol, or monk fruit to keep it low-carb.

What if I don’t have a powerful blender?

A standard blender can work, but you might need to blend longer or in stages. A frother can also create some foam, but won’t emulsify the fats as well.

How much MCT oil is too much?

This varies. Start with 1 teaspoon and work up to 1-2 tablespoons. Too much too soon can cause digestive issues.

Can I make this ahead of time?

It’s best fresh. The emulsion can separate if stored, and it loses its frothy texture.

What This Page Does Not Cover (And Where to Go Next)

• Detailed nutritional breakdowns of MCT oil and grass-fed butter.
• Specific brand recommendations for coffee beans, MCT oil, or butter.
• Advanced brewing techniques for optimizing coffee extraction for this specific drink.
• The science behind keto and intermittent fasting as they relate to Bulletproof coffee.
• Recipes for other variations or additions to Bulletproof coffee.