The Ultimate Biscoff Rice Krispie Treats Recipe
Introduction
These Ultimate Biscoff Rice Krispie Treats combine gooey marshmallows, crunchy Rice Krispies, and the irresistible flavor of Lotus Biscoff spread and biscuits. They’re easy to make and perfect for anyone craving a sweet, chewy treat with a unique twist.

Ingredients
- 90g (6 tablespoons) unsalted butter
- 280g (10-ounce) bag mini marshmallows, plus 1 cup (about 50g) extra
- 200g (approximately ¾ cup) smooth Biscoff spread
- 180g (about 6 cups) Rice Krispies cereal
- 125g (around 16) Lotus Biscoff biscuits, crushed
- 1 teaspoon vanilla extract
- A pinch of sea salt
Instructions
- Step 1: Prepare a 9×9 inch (23×23 cm) square baking tin by lining it with baking parchment. Leave a slight overhang on two opposite sides for easy lifting. Lightly grease the parchment and any exposed tin areas with butter or cooking spray.
- Step 2: In a large saucepan or Dutch oven, melt the butter gently over low heat, avoiding any browning.
- Step 3: Once melted, add the full bag of mini marshmallows and the smooth Biscoff spread. Stir continuously with a silicone spatula over low heat until smooth and fully combined. Be patient to prevent burning.
- Step 4: Remove the saucepan from heat and stir in the vanilla extract and pinch of sea salt to enhance the flavor.
- Step 5: Add the Rice Krispies cereal and crushed Biscoff biscuits to the marshmallow mixture. Quickly, but gently, fold everything together using your greased spatula until evenly coated.
- Step 6: Fold in the reserved 1 cup of mini marshmallows with just one or two stirs to create soft, gooey pockets in the treats.
- Step 7: Transfer the mixture into the prepared tin and press it down evenly using a greased spatula or a piece of baking parchment. Avoid pressing too firmly to prevent dense treats.
- Step 8: Let the treats set at room temperature for at least one hour before slicing to ensure clean cuts and perfect texture.
Tips & Variations
- Use low heat when melting marshmallows to prevent crystallization, which causes hard treats.
- For extra crunch, sprinkle some crushed Biscoff biscuits on top before the treats set.
- Substitute salted butter if unsalted isn’t available, but reduce added salt accordingly.
- Try adding a handful of chopped nuts or chocolate chips for a different texture and flavor.
Storage
Store the treats in an airtight container at room temperature for up to 3 days to maintain their gooey texture. If refrigerated, they may firm up and lose some softness; allow them to come to room temperature before serving. These treats are best enjoyed fresh.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use regular marshmallows instead of mini ones?
Yes, but mini marshmallows melt more quickly and evenly, so using regular-sized marshmallows may require slightly more melting time and stirring to achieve the right consistency.
How do I crush the Biscoff biscuits easily?
Place the biscuits in a sealed plastic bag and gently crush them with a rolling pin or use a food processor for a finer crumb. Be careful not to crush them into powder; some small chunks add nice texture.
Print
The Ultimate Biscoff Rice Krispie Treats Recipe
- Total Time: 1 hour 20 minutes
- Yield: 12 servings 1x
Description
Discover the ultimate Biscoff Rice Krispie Treats recipe that combines gooey mini marshmallows, rich smooth Biscoff spread, and crunchy crushed Lotus Biscoff biscuits for a decadent twist on a classic favorite. These treats deliver a perfect balance of crispy, chewy, and luscious flavors, ideal for any occasion.
Ingredients
Base Ingredients
- 90g (6 tablespoons) unsalted butter
- 280g (10-ounce) bag mini marshmallows
- 200g (¾ cup) smooth Biscoff spread
- 180g (approximately 6 cups) Rice Krispies cereal
- 125g (around 16) Lotus Biscoff biscuits, crushed
- 1 teaspoon good-quality vanilla extract
- A pinch of sea salt
- Additional 50g (1 cup) mini marshmallows reserved for folding in
Instructions
- Prepare Your Tin: Line a 9×9 inch (23×23 cm) square baking tin with baking parchment, allowing overhang on two opposite sides for easy removal later. Lightly grease the parchment and any exposed tin areas with butter or a neutral cooking spray.
- Melt the Base: In a large, heavy-based saucepan or Dutch oven, melt 90g of unsalted butter over low heat carefully, avoiding browning.
- Add Marshmallows and Biscoff: Once the butter is melted, add the full 280g bag of mini marshmallows and 200g of smooth Biscoff spread. Stir constantly over low heat with a silicone spatula until the mixture is velvety smooth and fully combined, taking care not to overheat.
- Incorporate Flavour Boosters: Remove the saucepan from the heat, then promptly stir in 1 teaspoon of vanilla extract and a pinch of sea salt to enhance flavor complexity.
- Combine with Crispies and Biscuits: Add 180g Rice Krispies cereal and crushed 125g Lotus Biscoff biscuits to the marshmallow mixture. Gently but thoroughly fold with a greased spatula until everything is evenly coated, working quickly as the mixture will begin to set.
- Add More Marshmallows (The Secret Step!): Fold in the reserved 50g (1 cup) mini marshmallows with just one or two stirs to create delightful pockets of gooey softness within the treats.
- Press into the Tin: Transfer the mixture carefully into the prepared tin. Use a greased spatula or a piece of parchment paper to gently press it into an even layer without compressing too firmly, preserving the treats’ light texture.
- Let It Set: Allow the treats to rest at room temperature for at least one hour until firm enough for clean slicing.
Notes
- Use low heat to prevent marshmallows from overheating and becoming hard or brittle.
- Do not press the mixture too firmly into the tin to avoid dense, hard treats.
- Reserve some mini marshmallows to fold in at the end for extra gooey texture pockets.
- Lining the baking tin with parchment overhang makes it easy to lift out the set treats for slicing.
- Ensure all ingredients are ready before starting, as the mixture sets quickly once combined.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Category: Dessert
- Method: Stovetop
- Cuisine: American
Keywords: Biscoff, Rice Krispie Treats, Marshmallows, Lotus Biscoff, Dessert, Gooey Treats, Crispy Snacks

