What is Bulletproof Coffee? – Dr. Berg's Coffee Hack

What is Bulletproof Coffee? – Dr. Berg's Coffee Hack is a easy American (Keto) recipe that serves 1. 250 calories per serving. Recipe by Dr. Eric Berg DC on YouTube.

Prep: 6 min | Cook: PT0M | Total: 11 min

Cost: $14.96 total, $14.96 per serving

Ingredients

  • 8 oz Brewed Coffee (hot, freshly brewed)
  • 1 tbsp Grass‑Fed Butter (softened for easier blending)
  • 1 tbsp MCT Oil (preferably a high‑quality, flavorless MCT oil)
  • 1 packet Xylitol (approximately 1 tsp; provides mild sweetness)
  • 5 g Unsweetened 100% Cacao Chocolate (one small square, chopped finely; use a high‑quality bar)

Instructions

  1. Brew Coffee

    Brew 8 oz of hot coffee using your preferred method. Aim for a temperature around 180°F (82°C).

    Time: PT5M

    Temperature: 180°F

  2. Prepare Chocolate

    Take a small square of 100% cacao chocolate (≈5 g) and chop it finely on a cutting board.

    Time: PT1M

  3. Blend All Ingredients

    Add the hot coffee, 1 tbsp grass‑fed butter, 1 tbsp MCT oil, 1 packet xylitol, and the chopped chocolate into the blender. Blend on high for 30‑45 seconds until the mixture is frothy and the fats are fully emulsified.

    Time: PT1M

  4. Serve

    Pour the blended coffee into a mug and enjoy immediately.

    Time: PT30S

Nutrition Facts

Calories
250
Protein
0 g
Carbohydrates
2 g
Fat
28 g
Fiber
2 g

Dietary info: Keto, Low‑Carb, Gluten‑Free, Paleo‑Friendly, Vegetarian

Allergens: Dairy (butter), Cocoa

Last updated: April 15, 2026

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What is Bulletproof Coffee? – Dr. Berg's Coffee Hack

Recipe by Dr. Eric Berg DC

A keto‑friendly coffee hack from Dr. Eric Berg DC that blends hot coffee with grass‑fed butter, MCT oil, a packet of xylitol, and a small piece of 100% unsweetened cacao chocolate for extra cognitive benefits and a smooth, frothy drink.

EasyAmerican (Keto)Serves 1

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
7m
Prep
0m
Cook
10m
Cleanup
17m
Total

Cost Breakdown

$14.96
Total cost
$14.96
Per serving

Critical Success Points

  • Blend all ingredients until fully emulsified and frothy; this prevents the coffee from separating.

Safety Warnings

  • Hot coffee can cause burns; handle with care.
  • Blending hot liquid can create pressure—ensure the blender lid is securely fastened and start on low speed.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of bulletproof coffee in the keto community?

A

Bulletproof coffee originated as a high‑fat, low‑carb beverage popularized by Dave Asprey and quickly adopted by the keto community as a breakfast substitute that promotes satiety and ketone production.

cultural
Q

How does the addition of unsweetened 100% cacao chocolate enhance the traditional bulletproof coffee recipe?

A

Unsweetened cacao adds a small amount of natural caffeine, theobromine, magnesium, and polyphenols, which can improve focus, mood, and cardiovascular health while keeping carbs very low.

cultural
Q

What traditional regional variations of keto coffee exist in American health‑food culture?

A

In the United States, variations include adding MCT oil, coconut oil, ghee, or flavored low‑carb sweeteners such as stevia or erythritol, as well as incorporating spices like cinnamon or vanilla.

cultural
Q

What occasions or celebrations is bulletproof coffee traditionally associated with in keto culture?

A

Bulletproof coffee is commonly consumed in the morning during intermittent‑fasting protocols, before workouts, or as a pre‑workout boost for keto followers seeking sustained energy.

cultural
Q

What are the most common mistakes to avoid when making bulletproof coffee with unsweetened cacao?

A

Common errors include blending hot coffee too quickly (causing splatter), using cold butter which won’t emulsify, adding too much chocolate (making the drink overly bitter), and neglecting to blend long enough for a stable foam.

technical
Q

Why does Dr. Eric Berg’s recipe use xylitol instead of a zero‑glycemic sweetener?

A

Dr. Eric Berg uses a single packet of xylitol because its glycemic index is low (≈30) and the small amount has negligible impact on blood sugar while providing a pleasant sweetness without the after‑taste of some zero‑calorie sweeteners.

technical
Q

Can I make bulletproof coffee ahead of time and how should I store it?

A

You can brew coffee in advance and keep it refrigerated for up to 24 hours. When ready, reheat gently and blend with the butter, MCT oil, sweetener, and chocolate for the same frothy texture.

technical
Q

What texture and appearance should I look for when blending bulletproof coffee?

A

The finished drink should have a thick, creamy consistency with a light, latte‑like foam on top. No visible oil separation should be present.

technical
Q

What does the YouTube channel Dr. Eric Berg DC specialize in?

A

The YouTube channel Dr. Eric Berg DC specializes in health education focused on keto dieting, intermittent fasting, hormone balance, and practical low‑carb recipes for weight loss and metabolic health.

channel
Q

How does the YouTube channel Dr. Eric Berg DC's approach to keto cooking differ from other keto cooking channels?

A

Dr. Eric Berg DC emphasizes scientific explanations behind each ingredient, often incorporating clinical insights and metabolic reasoning, whereas many other keto channels focus primarily on taste or quick‑fix recipes.

channel

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