
Curious’ Single Origin – Roasted by Proud Mary Coffee
Caffeine
60 – 100 mg
Note: Caffeine amounts are based on standard brewed coffee using Proud Mary’s Curious Single Origin beans.
| Attribute | Value |
|---|---|
| Caffeine Level | Moderate |
| Serving Size | 8 – 12 fl oz |
| Serving Size (ml) | 240 – 355 ml |
| Caffeine | 60 – 100 mg |
| Calories | 2 kcal |
| Sugar | – |
| Caffeine per fl oz | 7 – 8 mg/fl oz |
Proud Mary Coffee has become a well‑known specialty coffee roaster, celebrated for its dedication to quality beans, innovative blends, and transparent sourcing practices.
What is Proud Mary Coffee?
Known for its vibrant approach to coffee culture, the brand emphasizes both education and enjoyment, offering blends and single origins that highlight unique flavor profiles.
Key characteristics of Proud Mary Coffee include:
- Specialty Roasting – Focused on small‑batch roasting to preserve bean integrity.
- Global Reach – Sourcing beans from Ethiopia, Colombia, Brazil, and other regions.
- Community Focus – Building relationships with farmers and customers alike.
- Innovative Blends – Options like Ghost Rider, Angel Wings, and Humbler.
- Café Experience – Serving espresso drinks, pour‑overs, nitro cold brews, and more.
Whether you’re after a fruity Ethiopian pour‑over or a bold espresso shot, the brand ensures each cup reflects its commitment to excellence.
Bean Quality and Sourcing Behind Proud Mary Coffee
The caffeine content of Proud Mary Coffee is closely tied to its sourcing and bean quality. The company prioritizes transparency, working directly with farmers to ensure fair trade and sustainable practices.
Highlights of Proud Mary’s sourcing philosophy:
- Direct Trade Relationships – Long‑term partnerships with growers.
- Sustainability – Emphasis on environmentally responsible farming.
- Varietal Diversity – Offering Castillo, Caturra, Kurume, and other unique beans.
- Processing Methods – Washed, honey, and natural processes that influence caffeine extraction.
- Quality Control – Rigorous cupping sessions to maintain standards.
The brand’s dedication to bean quality is a major factor in why its caffeine chart is so distinctive compared to mass‑market coffee.
Proud Mary Coffee Caffeine Chart by Blend and Type
This chart helps consumers match their energy needs with flavor preferences. For example, Ghost Rider is ideal for those seeking a stronger kick, while Humbler suits casual drinkers who want a gentler experience.
Humbler Blend – Roasted by Proud Mary Coffee
The Humbler Blend is Proud Mary’s approachable, everyday coffee designed for balance and comfort. It’s crafted to deliver a smooth, mellow cup that suits drip brewing or French press, making it perfect for casual drinkers who want steady energy without intensity.
Defining features of Humbler Blend:
- Serving Size: 8 – 20 fl oz
- Caffeine Content: 45 – 115 mg
- Caffeine per fl oz: 5 – 6 mg
- Flavor Profile: Cocoa, toasted nuts, smooth and balanced
- Roast Level: Medium roast, blended with decaf for reduced caffeine
Its lower caffeine concentration makes it suitable for afternoon or evening enjoyment, while the nutty, chocolatey notes provide comfort and familiarity.

Ghost Rider Blend – Roasted by Proud Mary Coffee – Freshly Ground Coffee
The Ghost Rider Blend is one of Proud Mary’s signature offerings, crafted for espresso lovers who want both intensity and sweetness in their cup. Known for its caramel‑like body and bold energy, this blend is freshly ground to deliver consistency and punch in every shot.
Defining features of Ghost Rider Blend:
- Serving Size: 1 – 2 fl oz (espresso) or 8 – 12 fl oz (milk‑based drinks)
- Caffeine Content: 65 – 120 mg per serving
- Caffeine per fl oz: 8 – 10 mg
- Flavor Profile: Caramelized sugar, red fruit, chocolate undertones
- Roast Level: Medium‑dark roast, optimized for espresso extraction
Its balanced sweetness makes it versatile for straight shots or lattes, while the higher caffeine concentration ensures lasting energy.

Angel Wings Blend – Roasted by Proud Mary Coffee
Angel Wings Blend is Proud Mary’s softer, more delicate counterpart to Ghost Rider. Designed for whole bean brewing, it emphasizes smoothness and balance, making it perfect for milk‑based drinks or gentle pour‑overs.
Defining features of Angel Wings Blend:
- Serving Size: 8 – 16 fl oz
- Caffeine Content: 55 – 95 mg per serving
- Caffeine per fl oz: 6 – 7 mg
- Flavor Profile: Creamy body, milk chocolate, subtle floral notes
- Roast Level: Medium roast, crafted for versatility in espresso and filter brewing
Its moderate caffeine levels make it approachable for daily consumption, while the smooth flavor profile pairs beautifully with milk.

‘Curious’ Single Origin – Roasted by Proud Mary Coffee
This whole bean coffee highlights the roaster’s commitment to showcasing the individuality of single‑origin lots, often sourced from small farms with experimental processing methods.
Defining features of ‘Curious’ Single Origin:
- Serving Size: 8 – 12 fl oz
- Caffeine Content: 60 – 100 mg per serving
- Caffeine per fl oz: 7 – 8 mg
- Flavor Profile: Floral aromatics, stone fruit, layered sweetness, clean finish
- Roast Level: Light‑medium roast, emphasizing clarity and nuance
This coffee is best enjoyed through manual brewing methods such as pour‑over or Chemex, where its delicate flavors can be fully appreciated.

Which Proud Mary Coffee Blend Is the Strongest?
Among Proud Mary’s blends, Ghost Rider often stands out as the most robust in terms of caffeine and flavor intensity. Designed for espresso lovers, it delivers a caramel‑like sweetness with a strong caffeine punch.
Strongest blends and drinks:
- Ghost Rider Blend (Espresso) – High caffeine, bold flavor.
- Cold Brew/Nitro Snap Chill – Concentrated caffeine, smooth texture.
- Ethiopian Natural Process (Pour‑Over) – Bright, fruity, with above‑average caffeine.
- Angel Wings Blend (Latte) – Moderate strength but balanced for milk drinks.
- Humbler Blend (Drip) – Mildest option, designed for easy drinking.
Choosing the strongest Proud Mary coffee depends on your brewing method. Espresso shots and cold brews naturally deliver more caffeine per ounce, while drip coffee offers a lighter experience.
Factors That Influence Caffeine Levels in Proud Mary Coffee
Caffeine content is not fixed—it varies based on several factors. Proud Mary’s diverse offerings highlight how brewing, bean type, and serving size all play a role.
Key factors affecting caffeine levels:
- Bean Variety – Arabica vs. Robusta, with Robusta containing more caffeine.
- Roast Level – Lighter roasts retain slightly more caffeine than darker roasts.
- Brewing Method – Espresso, pour‑over, drip, and cold brew all extract caffeine differently.
- Serving Size – Larger cups naturally contain more caffeine.
- Processing Method – Washed vs. natural processing can influence caffeine perception.
Understanding these factors helps consumers make informed choices. For example, a small espresso shot may feel stronger due to its concentrated nature, while a large pour‑over provides sustained energy over time.