If you have a sweet tooth and love an easy, no-fuss treat, then you’re going to adore the Slow Cooker Avalanche Cookies Recipe. This delightful dessert combines gooey chocolate chips, fluffy marshmallows, creamy peanut butter, and hearty oats all cooked together to create a warm and comforting cookie experience unlike anything you’ve had before. The beauty is in the slow cooker method, which gives these cookies a soft, chewy texture with pockets of melted sweetness that make every bite an avalanche of flavor and joy.

Ingredients You’ll Need
Gathering the ingredients for this Slow Cooker Avalanche Cookies Recipe is both simple and rewarding. Each component plays a vital role, adding texture, flavor, or that perfect gooeyness you crave in an indulgent cookie.
- Semi-sweet chocolate chips: These provide bursts of rich, melty chocolate in every bite.
- Mini marshmallows: They melt delicately to create soft, sweet pockets of fluff.
- Creamy peanut butter: Adds a luscious, nutty depth and moistness to the cookies.
- Rolled oats: Bring a chewy, wholesome texture that balances the sweetness.
- Brown sugar (lightly packed): Gives sweetness with a slight caramel note and helps bind the ingredients together.
- Vanilla extract: Enhances all the flavors with its warm and fragrant aroma.
How to Make Slow Cooker Avalanche Cookies Recipe
Step 1: Prepare Your Slow Cooker
Begin by generously spraying your slow cooker insert with non-stick cooking spray. This step is crucial to ensure the cookies release easily once they’re cooked without any sticky mishaps.
Step 2: Mix the Dry and Wet Ingredients
In a large bowl, combine the semi-sweet chocolate chips, mini marshmallows, rolled oats, brown sugar, and creamy peanut butter. Stir them until they are well mixed so the flavors blend evenly throughout the cookie dough.
Step 3: Add the Vanilla Extract
Pour in the vanilla extract and stir again until everything is fully incorporated. That splash of vanilla will brighten the whole mixture and bring out the comforting sweet aroma as it cooks.
Step 4: Transfer and Level
Move the cookie mixture into the prepared slow cooker insert, spreading it out evenly. This even layer ensures the cookies cook uniformly for the perfect texture from edge to middle.
Step 5: Slow Cook Without Peeking
Cover your slow cooker and cook the cookies on low heat for about 2 hours. Avoid lifting the lid during the cooking process, as keeping the heat steady is key to achieving that soft, chewy avalanche effect.
Step 6: Scoop and Serve Warm
Once the cooking time is up, scoop out portions using a spoon or spatula. Serve the cookies warm to enjoy the gooey melted marshmallows and chocolate, softened oats, and nutty peanut butter in every irresistible bite.
How to Serve Slow Cooker Avalanche Cookies Recipe
Garnishes
Sprinkle a dusting of powdered sugar for a festive look or add a drizzle of melted chocolate or caramel sauce to amp up the indulgence. For a fresh contrast, a few chopped nuts or a pinch of flaky sea salt on top can add great texture.
Side Dishes
Pair these warm avalanche cookies with a scoop of vanilla ice cream or a generous dollop of whipped cream to complement the rich, nutty flavors. A cold glass of milk or a hot cup of coffee also makes the perfect companion for dipping and delightful sips.
Creative Ways to Present
Serve these cookies in charming ramekins or create cookie bowls by scooping out small portions that hold soft cookie chunks and melted centers. You can also layer them with whipped cream and fresh berries for a quick dessert parfait that’s sure to impress.
Make Ahead and Storage
Storing Leftovers
Once cooled completely, store any leftover Slow Cooker Avalanche Cookies in an airtight container at room temperature. They’ll stay fresh and chewy for up to 3 days, making it a perfect quick snack to grab anytime.
Freezing
For longer storage, place the cookies in a freezer-safe container or individually wrap them in plastic wrap and freeze. They keep well for up to 2 months, and thawing them at room temperature or briefly reheating will bring back their soft, gooey charm.
Reheating
Warm the cookies gently in the microwave for about 15-20 seconds or reheat them in a low oven until soft and melty again. This refreshes that melty texture and makes them feel freshly baked all over again.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Crunchy peanut butter will add a nice little extra texture to the cookies. Just be aware it might make the cookies slightly more crumbly, but delicious nonetheless.
Is it possible to make these Avalanche Cookies without a slow cooker?
While the slow cooker helps create that soft, melt-in-your-mouth texture, you could try baking them on low heat in the oven. Just monitor carefully because the timing and texture will vary.
Can I substitute something for the marshmallows?
If marshmallows aren’t your thing, you could use dried fruit or more chocolate chips, but it will change the signature gooey texture that makes this recipe so special.
How do I know when the cookies are done in the slow cooker?
After about 2 hours on low, the cookies should look set with melted chocolate and marshmallows, and edges slightly pulling away. The smell will also be heavenly, signaling they’re ready to enjoy.
Can I make this recipe vegan or gluten-free?
Yes! Use dairy-free chocolate chips and vegan marshmallows, plus gluten-free oats and peanut butter to make this recipe work wonderfully for those dietary needs.
Final Thoughts
I can’t recommend the Slow Cooker Avalanche Cookies Recipe enough for anyone looking for a warm, comforting, and incredibly easy cookie fix that feels like a special treat every time. With minimal ingredients and fuss, this recipe will quickly become one of your favorite desserts to bring joy to your kitchen and gatherings alike. So grab your slow cooker and dive into this avalanche of sweet, melty goodness—you won’t regret it!
Print
Slow Cooker Avalanche Cookies Recipe
- Prep Time: 15 minutes
- Cook Time: 2 hours
- Total Time: 2 hours 15 minutes
- Yield: 12 servings
- Category: Dessert
- Method: Slow Cooking
- Cuisine: American
Description
Delight in these indulgent Slow Cooker Avalanche Cookies, a gooey blend of chocolate chips, mini marshmallows, and creamy peanut butter, baked effortlessly in your slow cooker. Perfect for cozy gatherings or a sweet treat anytime.
Ingredients
Ingredients
- 2 cups semi-sweet chocolate chips
- 2 cups mini marshmallows
- 1 cup creamy peanut butter
- 1 cup rolled oats
- 3/4 cup brown sugar (lightly packed)
- 1 tsp vanilla extract
Instructions
- Prepare Slow Cooker: Spray your slow cooker insert with non-stick cooking spray to prevent sticking and allow easy removal of the cookies after cooking.
- Mix Dry and Wet Ingredients: In a large mixing bowl, combine the semi-sweet chocolate chips, mini marshmallows, rolled oats, brown sugar, and creamy peanut butter until the mixture is well blended.
- Add Vanilla Extract: Stir in the vanilla extract thoroughly to incorporate it evenly throughout the cookie mixture.
- Transfer to Slow Cooker: Spread the blended cookie mixture evenly inside the sprayed slow cooker insert.
- Cook: Cover the slow cooker with its lid and cook on low heat for approximately 2 hours, avoiding lifting the lid during cooking to maintain consistent heat and texture.
- Serve: Once cooked, use a spoon or spatula to scoop out cookie portions and serve warm for a comforting dessert experience.
Notes
- Do not open the slow cooker during cooking, as this may affect the texture and cooking time.
- Use creamy peanut butter for smoother mixing and better texture; crunchy peanut butter may alter the consistency.
- Ensure the slow cooker is sprayed well with non-stick spray to make removing cookies easier.
- These cookies are best enjoyed warm but can be stored covered at room temperature for up to 2 days.
- You can add nuts or dried fruits if desired for variation.

