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Big-Batch Brownie Batter Hot Chocolate – A Crowd-Pleasing Indulgence

Hot chocolate is already one of the coziest drinks out there, but if you’re a true chocolate lover, you need to try Brownie Batter Hot Chocolate. This recipe doesn’t just taste like cocoa—it’s rich, velvety, and infused with real brownie mix for an extra-decadent treat. Perfect for large gatherings, this recipe makes a big batch so everyone can enjoy a steaming mug topped with marshmallows, whipped cream, or chocolate syrup. Unlike traditional hot cocoa, the mix of heavy cream, milk, brownie mix, and melted chocolate makes it luxuriously thick, almost like sipping a melted brownie sundae. Whether you’re hosting a holiday party, a winter movie night, or just want a special drink to share with family, this recipe is guaranteed to wow your guests.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 12 mugs

Ingredients
  

  • 1 18 oz box Ghirardelli double chocolate brownie mix
  • 8 oz semisweet or bittersweet chocolate chopped
  • 2 cups heavy cream
  • 6 cups whole milk
  • 3 tablespoons water
  • ¼ cup vegetable oil
  • 1 large egg
  • 1 tablespoon vanilla extract
  • Chocolate syrup for garnish
  • Mini marshmallows for topping
  • Cooking spray for greasing if baking leftover batter into brownies

Equipment

  • Large saucepan or stock pot
  • Whisk
  • Measuring cups and spoons
  • Heatproof mugs or ladle for serving
  • Rubber spatula
  • Optional:
  • Slow cooker (to keep warm at parties)
  • Milk frother (for extra creamy finish)

Method
 

Step 1: Make the Brownie Batter Base
  1. In a large mixing bowl, whisk together the brownie mix, egg, water, and vegetable oil until smooth.
  2. Set aside.
Step 2: Heat the Milk & Cream
  1. In a large saucepan, combine heavy cream and whole milk.
  2. Warm over medium heat until steaming, but do not boil.
Step 3: Add Chocolate & Brownie Mix
  1. Whisk chopped chocolate into the hot milk mixture until melted and smooth.
  2. Slowly whisk in the prepared brownie batter.
  3. Stir continuously for 8–10 minutes, until mixture thickens and becomes rich and velvety.
Step 4: Flavor & Serve
  1. Stir in vanilla extract.
  2. Pour into mugs and top with mini marshmallows and chocolate syrup.

Notes

🧊 Storage & Reheating
Refrigerator: Store leftovers in an airtight container for up to 3 days.
Reheating: Warm gently on the stovetop, whisking until smooth.
Freezer: Not recommended (cream-based drinks may separate).
🥄 Variations
Spiked Brownie Batter Hot Chocolate: Add a splash of peppermint or hazelnut extract (kid-friendly version, no alcohol).
Nutty Brownie Twist: Garnish with crushed pecans or walnuts.
Cookies & Cream Version: Stir in crushed chocolate sandwich cookies before serving.
Mocha Brownie Hot Chocolate: Replace 1 cup milk with strong brewed coffee.
Salted Caramel Brownie Cocoa: Drizzle caramel sauce and sprinkle flaky salt on top.
❓ 10 FAQs
Do I have to use Ghirardelli brownie mix?
No, any good quality brownie mix works.
Why add an egg?
It gives the brownie batter richness and thickness.
Can I make this dairy-free?
Yes, use coconut cream and almond or oat milk with dairy-free chocolate.
Can I use cocoa powder instead of brownie mix?
The brownie mix gives it the “brownie batter” flavor—cocoa powder alone won’t be as rich.
Can I keep this warm for a party?
Yes, transfer to a slow cooker and keep on “warm.”
Is this safe for kids?
Absolutely! It’s rich and chocolatey but kid-friendly.
How do I prevent clumping?
Whisk constantly and make sure to heat gently.
Can I double this recipe?
Yes, just use a very large pot.
What toppings go best?
Marshmallows, whipped cream, chocolate drizzle, or even sprinkles.
Can I bake leftover batter?
Yes! Spray a small pan with cooking spray and bake as directed on the box.
🏁 Conclusion
This Big-Batch Brownie Batter Hot Chocolate is the ultimate chocolate lover’s dream. With its creamy texture, rich brownie flavor, and cozy warmth, it’s more than just hot cocoa—it’s dessert in a mug.
Perfect for parties, family nights, or anytime you want to treat a crowd, this recipe is simple, fun, and indulgent. One sip and you’ll understand why brownie lovers everywhere are obsessed with this drink.