Colten Mertens Gallon Cold Brew Recipe

Big boy batch of cold brew for those who have getter to get done and demand coffee that matches the quality they approach life with.

Brew a gallon of cold brew like Colten Mertens : 

“My favorite roast is Marla, I have an electric grinder and I fill it 3 times then let the beans soak overnight” Colten’s no nonsense process.

🏋️♂️ Setup: 

• Container: 1-gallon glass jar with spout (as shown in Colten’s fridge)

• Coffee: Paper Street Coffee’s Marla (light roast, fruity & bold)

• Grinder: Any electric grinder (Colten fills it 3 times per batch)

• Ratio (translated for home use): ~85–100g coffee per gallon of water (about 1–1¼ cups of whole beans)

• This method creates a strong, rich brew with fruity, chocolatey undertones—perfect for athletes, early mornings or just anyone who is ready to get things DONE

• Marla beans are available at: paperstcoffee.com/products/marla

• Ideal for making big batches once or twice a week to keep you fueled and fridge-ready.

🥇 Brew Option 1: Strong Concentrate (Café Style – Recommended)

Grind your beans coarse (like sea salt)

Steps:

1. Fill your grinder 3 times with whole beans (this lands around ~4 cups ground coffee once ground)
2. Add all ground coffee to your 1-gallon jar
3. Pour in 16 cups (full gallon) cold water
4. Stir until all grounds are fully wet
5. Cover and steep 12–18 hours (overnight works best)
6. Remove metal filter OR strain out grounds

Serve:

• Mix 1 part cold brew + 1 part water or milk

🥈 Option 2: Ready-to-Drink (No Dilution)

Grind your beans coarse (like sea salt)

Steps:

1. Add 1 to 1¼ cups whole beans (or ~1 to 1½ cups ground coffee) to your jar
2. Pour in 16 cups (full gallon) cold water
3. Stir until fully wet
4. Cover and steep 12–18 hours
5. Strain or remove filter

Serve:

• Drink as-is (no dilution