A soft, aromatic cake baked with a whole cup of Biscoff cookie butter — this dessert tastes like a hug from your favorite cookie jar. It’s quick to make, wonderfully spiced with cinnamon, and perfect for afternoon coffee, a cozy brunch, or when you want to impress without fuss. If you enjoy turning nostalgic cookie flavors into something new, you might also like the creamy twist in sugar cookie cheesecake for another dessert to try on a baking weekend.
Why you’ll love this dish
This cake takes one pantry star — Biscoff cookie butter — and turns it into a tender, caramel-spiced loaf cake that’s both familiar and a little grown-up. It doesn’t require tempering chocolate or complicated layers, so it’s approachable for home bakers but still special enough for guests.
“My family thought I’d hired a bakery — rich cookie flavor with a simple, tender crumb. A new favorite.” — a quick review from a weekend test bake
Reasons to try it:
- Fast assembly: it’s a one-bowl (plus one for dry ingredients) batter and a single 9-inch pan.
- Crowd-pleasing: kids love the cookie-butter taste; adults appreciate the warm cinnamon and balanced sweetness.
- Flexible: easy to dress up with glazes, whipped cream, or a cookie crumble topping.
The cooking process explained
Think of this as a classic creamed-butter cake with a Biscoff twist. You start by creaming Biscoff, brown sugar, and soft butter until light. Eggs and vanilla build structure and flavor. Dry ingredients add lift and spice, and buttermilk keeps the crumb tender. The batter goes straight into a greased 9-inch round pan and bakes 30–35 minutes until a toothpick comes out clean. Cool briefly in the pan, then finish on a rack.
This short sequence means you can move from fridge to table in under an hour of active time if your ingredients are at room temperature.
What you’ll need
- 1 cup Biscoff cookie butter (smooth)
- 1 cup packed brown sugar
- 1/2 cup unsalted butter, softened
- 2 large eggs, room temperature
- 1 teaspoon vanilla extract
- 1 1/2 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1 teaspoon ground cinnamon
- 1/2 teaspoon salt
- 1/2 cup buttermilk
Ingredient notes and substitutions:
- Biscoff cookie butter: use Lotus Biscoff or any speculoos cookie butter. If you only have crunchy, it will work but gives more texture.
- Buttermilk: if you don’t have it, make a quick substitute — 1/2 cup milk + 1/2 tablespoon lemon juice or white vinegar; let sit 5 minutes.
- Brown sugar: light or dark both work; dark will add deeper molasses notes.
- For a dairy-free version: use vegan butter and a non-dairy buttermilk (almond milk + vinegar). Use an egg replacer for vegan bakers (expect a slightly different texture).
Step-by-step instructions
- Preheat the oven to 350°F (175°C). Grease and optionally line a 9-inch round cake pan with parchment for easy removal.
- In a large mixing bowl, cream together the Biscoff cookie butter, brown sugar, and softened butter until light and fluffy — about 2–3 minutes with a hand mixer or 4–5 by hand.
- Add eggs one at a time, beating or stirring well after each addition. Stir in the vanilla extract.
- In a separate bowl, whisk together the flour, baking powder, baking soda, ground cinnamon, and salt.
- Add the dry mixture to the wet in three parts, alternating with the buttermilk: (flour) – (buttermilk) – (flour) – (buttermilk) – (final flour). Start and end with the flour mixture. Mix until just combined; don’t overmix.
- Pour batter into the prepared pan and smooth the top with a spatula.
- Bake for 30–35 minutes, or until a toothpick or skewer inserted in the center comes out clean or with a few moist crumbs attached.
- Let the cake cool in the pan on a wire rack for 10 minutes, then remove from the pan and cool completely on the rack before slicing or frosting.
Quick timing tip: if your oven runs hot, check at 25 minutes. The cinnamon makes the crust look darker quickly, but the interior is what matters.
Best ways to enjoy it
Slice it thin for a delicate dessert or thick for a more decadent bite. Serve warm with:
- A scoop of vanilla ice cream and a drizzle of honey.
- Whipped cream and crushed Biscoff cookies for crunch.
- A spoonful of mascarpone or cream cheese frosting for a richer finish.
If you want something saucier, try pairing a slice with a warm butterscotch drizzle — a recipe like this butterscotch randy complements the cookie-butter notes beautifully.
Storage and reheating tips
- At room temperature: keep the cake in an airtight container or wrapped tightly for up to 2 days.
- Refrigeration: store covered for 3–4 days. Bring slices to room temperature before serving for the best texture.
- Freezing: wrap slices or the whole cake (well wrapped in plastic and foil) and freeze for up to 3 months. Thaw overnight in the fridge or at room temperature for a few hours.
- Reheating: warm single slices in the microwave for 10–15 seconds or in a 300°F oven for 7–10 minutes to refresh the crumb.
Food safety note: because the eggs are baked, there’s no raw-egg concern in the finished cake. If topping with a raw dairy-based frosting, keep refrigerated and consume within a couple of days.
Pro chef tips
- Room temperature ingredients combine more smoothly. Pull eggs and butter from the fridge 30–60 minutes before baking.
- Cream Biscoff and butter until pale and aerated — this adds lift.
- Measure flour properly: spoon into the cup and level off with a knife to avoid a dense cake.
- Don’t overmix after adding flour. Stop when the batter is uniform.
- If you want a shiny top, brush the warm cake with a thin syrup (1 tablespoon sugar dissolved in 1 tablespoon water) as it cools.
Creative twists
- Biscoff swirl: swirl extra cookie butter into the batter before baking for pockets of intense flavor.
- Cookie crumb topping: press crushed Biscoff cookies into the top of the batter before baking for texture.
- Cinnamon-espresso: add 1 teaspoon instant espresso granules to the batter for a mocha lift.
- Cupcake version: divide batter into lined muffin tins and bake 16–18 minutes.
- Gluten-free: swap in a 1:1 gluten-free flour blend and add a teaspoon xanthan gum if your blend lacks it.
- Nutty add-in: fold in 1/2 cup chopped toasted pecans for contrast.
Common questions
Q: How long does this cake take from start to finish?
A: Active prep is about 15–20 minutes. Baking is 30–35 minutes, plus cooling — plan on roughly 1 hour total before slicing.
Q: Can I make this in a loaf pan instead of a round cake pan?
A: Yes. Use a 9×5-inch loaf pan and bake 40–50 minutes, checking with a toothpick starting at 35 minutes.
Q: My batter looks thick — is that okay?
A: Yes. The cookie butter gives body. If it’s unmanageably stiff, add a tablespoon of buttermilk at a time until it reaches a smooth, scoopable consistency.
Q: Can I add frosting?
A: Absolutely. A simple cream cheese frosting pairs beautifully. For a thinner finish, a powdered sugar glaze or warm butterscotch sauce works well.
Q: Is it safe to use crunchy Biscoff?
A: Yes — the crunchy variety will add texture from cookie bits. Expect a slightly different mouthfeel.
If you have more questions about ingredient swaps or presentation, ask and I’ll help tailor the recipe to your kitchen and occasion.

Biscoff Cookie Butter Cake
Ingredients
Wet Ingredients
- 1 cup Biscoff cookie butter (smooth) Use Lotus Biscoff or any speculoos cookie butter.
- 1 cup packed brown sugar Light or dark both work; dark adds deeper molasses notes.
- 1/2 cup unsalted butter, softened Room temperature for best results.
- 2 large eggs, room temperature Pull from the fridge 30–60 minutes before baking.
- 1 teaspoon vanilla extract
- 1/2 cup buttermilk Can substitute with 1/2 cup milk + 1/2 tablespoon lemon juice or vinegar.
Dry Ingredients
- 1 1/2 cups all-purpose flour Measure flour properly to avoid a dense cake.
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1 teaspoon ground cinnamon
- 1/2 teaspoon salt
Instructions
Preparation
- Preheat the oven to 350°F (175°C). Grease and optionally line a 9-inch round cake pan with parchment for easy removal.
- In a large mixing bowl, cream together the Biscoff cookie butter, brown sugar, and softened butter until light and fluffy — about 2–3 minutes with a hand mixer or 4–5 by hand.
- Add eggs one at a time, beating or stirring well after each addition. Stir in the vanilla extract.
- In a separate bowl, whisk together the flour, baking powder, baking soda, ground cinnamon, and salt.
- Add the dry mixture to the wet in three parts, alternating with the buttermilk: (flour) – (buttermilk) – (flour) – (buttermilk) – (final flour). Start and end with the flour mixture. Mix until just combined; don’t overmix.
- Pour batter into the prepared pan and smooth the top with a spatula.
Baking
- Bake for 30–35 minutes, or until a toothpick or skewer inserted in the center comes out clean or with a few moist crumbs attached.
- Let the cake cool in the pan on a wire rack for 10 minutes, then remove from the pan and cool completely on the rack before slicing or frosting.
