This chocolate milkshake is rich, over the top, and completely indulgent in the best way. Thick chocolate milkshake goodness meets melted chocolate, marshmallows, and candy for a dessert drink that feels like a celebration in a glass. It’s fun to make, fun to decorate, and even more fun to drink.

A mason jar filled with chocolate milkshake, topped with chocolate sauce, marshmallows, and graham crackers, sits on a board with scattered chocolate pieces and marshmallows nearby.

Why This Recipe Is So Good

This freakshake is customizable, no bake, and perfect when you want something dramatic without a lot of effort. You can go simple or go all out with toppings, and it always looks impressive.

Ingredients You’ll Need

Chocolate milk – Adds rich chocolate flavor to the shake
Chocolate ice cream – Makes the shake thick and creamy
Marshmallows – Add sweetness and fun texture
Dark chocolate chips – Perfect for garnish and crunch
Oat milk – Helps blend everything smoothly
Favorite chocolate – Used to coat and decorate the glass
Blonde or salted caramel chocolate – For extra garnish and flair
Chocolate sauce – Optional, but great for drizzling
Whipped cream – The perfect finishing touch

This recipe is great because you can easily swap ingredients based on what you have on hand.

Various dessert ingredients in bowls and measuring cups arranged on a white surface, including marshmallows, chocolate, ice cream, and condensed milk.

How to Make a Chocolate Milkshake

These are so easy, fun, and delicious.

Step 1: Decorate the glass
Melt your favorite chocolate gently on the stove or in the microwave. While warm, spread chocolate on the inside and outside of the glass and drizzle around the inside rim.

A clear glass jar is tilted as thick chocolate sauce drips down the rim and sides.

Chocolate liquid being poured from a metal container into a glass blender jar.

Step 2: Blend the shake
Add chocolate ice cream, chocolate milk, and oat milk to a blender. Blend until smooth and creamy.

Step 3: Pour
Carefully pour the shake into the prepared glass.

A thick chocolate beverage is being poured from a glass container into a brown mug on a wooden surface.

A mason jar mug filled with frothy chocolate drink sits on a wooden board, surrounded by white chocolate squares, chocolate chunks, and a bowl of sugar cubes.

Step 4: Add the fun toppings
Shred the blonde or salted caramel chocolate into fine pieces and press onto the chocolate coated edges. Add marshmallows and chocolate chips wherever they stick.

A glass mug filled with a chocolate milkshake, topped with whipped cream, chocolate syrup, marshmallows, and a gold straw, surrounded by chocolate pieces on a wooden board.

Step 5: Finish and serve
Top with whipped cream and garnish with remaining marshmallows, chocolate chips, or chocolate sauce. Serve cold with a straw.

A mason jar filled with a chocolate milkshake, topped with marshmallows, chocolate sauce, and chocolate pieces, with a spoon lifting a marshmallow from the top.

Tips & Variations

Use vanilla ice cream for a lighter chocolate flavor
Add a scoop of brownie or chocolate chunk ice cream
Drizzle caramel sauce along with chocolate
Serve in a clear glass to show off the layers

Perfect For:

Birthday parties
Teen sleepovers
Movie nights
Over the top dessert moments

📸 Don’t Forget the Photo Op!

This is one of those desserts that deserves a photo before the first sip. We’d love to see your over the top creations. Tag @BiteSizedFun or use #BiteSizedFun so we can feature your treats.

More Recipes You’ll Love:

Coming soon…

This chocolate freakshake is messy, decadent, and absolutely worth it.

One More Thing!

This recipe is part of our collection of easy dessert recipes. Be sure to check it out for more fun and indulgent ideas.

Chocolate Freakshake

Prep Time 5

Cook Time 15

Serving Size 1

Ingredients

1 cup chocolate milk
2 scoops chocolate ice cream
2 tbsp marshmallow
1 tbsp dark chocolate chips
½ cup oat milk any milk can be used
1/3 cup your favourite chocolate I used dark chocolate
2-3 squares blonde or salted caramel chocolate for garnish
Chocolate sauce optional

Instructions

Melt your favourite chocolate (heat it gently on a stove or in a microwave) While still warm spread chocolate on the inside and outside of the glass and drizzle the inside rim of your glass with it.
In your blender mix ice cream, chocolate milk and oat milk and blend until smooth.
Pour your shake into the glass gently.
Now its time to decorate the glass (you can do this before pouring your shake, but I prefer to do it after so garnish won’t get destroyed). Shred blonde or salted caramel chocolate into fine pieces and stick it into the edges, add some marshmallow and chocolate chips have fun fit it.
Top with a whipped cream and garnish with remaining marshmallows and dark chocolate chips or chocolate sauce. Serve cold with a straw. Enjoy!