In a saucepan, melt the unsalted butter over low heat. Stir gently until it becomes completely liquid and begins to bubble softly—this takes about 2-3 minutes.

Once your butter is melted, toss in the marshmallows. Stir continuously until they are completely melted and the mixture is smooth and glossy—a delightful 3-5 minutes.

Remove the saucepan from heat and add the Biscoff creamy spread. Mix well until all the flavors are thoroughly combined—your kitchen will smell heavenly!

Add the crispy rice cereal to the mixture. Using a sturdy spatula, mix until each piece of cereal is coated with that delicious marshmallow and Biscoff blend.

Transfer the mixture into a greased pan, using your spatula or hands (lightly greased) to press it down evenly. Aim for a firm layer that holds together well.

Allow the Biscoff Rice Krispie Treats to cool for at least 2 hours before cutting them into squares. This setting time ensures the treats are just the right texture.