A Fluffy Christmas Cheesecake Slab with a Spiced Crust
A little gelatin powder sets the heavy cream and cream cheese firm in the fridge over 12 hours to make this Christmas Cheesecake Slab - no bake!

A Fluffy Christmas Cheesecake Slab with a Spiced Crust feeds a crowd of 18 to 24 people with no baking required. A small amount of powdered gelatin gives the heavy cream and block cream cheese enough structure to slice cleanly after a 12-hour chill in the refrigerator.
The Cookie Crust
A heavy layer of butter on the 9 x 13" (23 x 33 cm) pan creates a glue that makes removing the chilled cheesecake difficult. A light coating and a parchment paper sling with long overhangs will let you lift the dessert out intact later.
You can rest a stuck pan on a hot, wet towel for a minute to soften the butter if you have trouble pulling the paper later. The Cookie Crust needs plain sweet cookies like Biscoff, graham crackers, or digestive biscuits. Avoid chocolate-coated or cream-filled cookies because they stop the crust from setting.
Break the cookies into smaller chunks and run them through a blender or chopper until they become a fine dust. Mix in the melted butter, brown sugar, pinch of salt, and cinnamon powder.
You can add extra melted butter if a drier substitute cookie refuses to clump together when you pinch it. Press the damp crumbs firmly into the bottom of the lined pan and place it in the refrigerator.
The Gelatin Mixture
The Gelatin Mixture sets the raw filling. You need to bloom the powder first by sprinkling it evenly over cold tap water in a small bowl. Do not drop the powder in a single spot. Let the bowl sit for three minutes until the liquid turns tough and bouncy.
Microwave the bowl on high for 15 seconds to melt the gelatin into a usable liquid. Do not let the mixture boil. A rolling boil destroys the setting capabilities. Let the bowl cool on the counter for five minutes. Hot liquid will melt the cream cheese if you add it too soon.
A solid skin might form on the liquid as it sits. Warm the bowl gently for five seconds to melt it. An unmelted skin creates rubbery lumps in the finished dessert.
The Cheesecake Filling
Whip the heavy cream first. The cream must be full-fat and straight from the refrigerator. Beat it on high for up to three minutes until it forms firm peaks.
Block cream cheese provides a firmer set than spreadable tub cream cheese. You can use tub cream cheese if you increase the gelatin to four teaspoons. Soften the blocks at room temperature for at least an hour to get a smooth texture. Beat the soft cream cheese with the caster sugar. Caster sugar dissolves easily in cold mixtures. You can substitute regular granulated sugar if you beat the bowl longer until no grit remains.
Pour the cooled liquid gelatin, salt, lemon juice, and vanilla extract into the sweetened cream cheese. Using real vanilla extract provides a much better taste than artificial essence for an uncooked dessert like this one. You can completely leave out the lemon juice if you prefer, and the filling will still hold its shape perfectly. Run the mixer on high speed for exactly 10 seconds to blend the liquids. Stop the machine right away. Overworking the cream cheese once the gelatin goes in will whip up massive, unsightly pockets of air.
Fold one quarter of the whipped cream into the heavy base with a spatula. This first step lightens the cream cheese so the remaining cream stays fluffy.
Fold the rest of the cream in gently until no streaks remain. Rough strokes knock out the trapped air and leave you with a dense cake. Pour the Cheesecake Filling over the chilled crust and level the top.
Place the pan into the refrigerator so the dessert can chill. The gelatin needs twelve hours or more to fully set the center. Once the slab is entirely firm, grab the excess parchment paper and pull the whole cheesecake free from the dish.
Decoration & Serving
Whip the remaining heavy cream, sugar, and vanilla to gentle peaks for the Whipped Cream Topping. Spread the soft cream over the chilled dessert in large swoops.
Arrange the Fruit & Herb Garnishes across the top.
Tuck fresh orange half-moons and rosemary sprigs between the strawberries, blackberries, raspberries, and cherries.
Dust the top with confectionary sugar.
Cut the slab into rectangular slices. Serve the cheesecake cool or cold directly from the refrigerator.
You can store the assembled dessert in the refrigerator for up to seven days. The Cookie Crust stays at its crunchiest from the 12-hour mark up to 36 hours. Keep in mind that a standard Whipped Cream Topping loses its shape and turns watery after approximately three hours in the fridge. Avoid putting this slab in the freezer. Thawing ruins the texture and leaves the filling entirely sloppy.
A Fluffy Christmas Cheesecake Slab with a Spiced Crust
Cookie Crust
- 1 tbsp brown sugar
- 10 oz Biscoff cookies (about 38 pieces), or 2.5 cups crumbs from other plain cookies
- 8 tbsp unsalted butter, melted
- 1 pinch salt
- 0.5 tsp cinnamon powder, optional, recommended
Cheesecake Filling
- 1.25 cup caster or superfine sugar
- 3.5 tsp unflavored gelatin powder
- 3 tbsp cold tap water
- 1.5 cup thickened or heavy cream (or whipping cream), fridge cold
- 24 oz cream cheese block (3 blocks), well softened at room temperature, do not use tub
- 1.5 tsp vanilla extract
- 1 tbsp lemon juice, optional
Whipped Cream Topping
- 3 tbsp caster or superfine sugar, or double quantity sifted icing sugar
- 2 cup thickened or heavy cream (or whipping cream), fridge cold
- 1.5 tsp vanilla extract
Fruit & Herb Garnishes
- Fresh strawberries, halved or quartered if large
- Fresh blackberries and raspberries
- Fresh cherries
- 6 orange slices, cut into half moons
- Fresh rosemary sprigs
- Icing or confectionary sugar, for dusting
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Method
Cookie Crust
Gelatin Mixture
Cheesecake Filling
Decoration & Serving
Substitutions
Any plain sweet cookie like a graham cracker can replace the spiced cookies in the Cookie Crust, but you might need a splash more melted butter if the dry crumbs refuse to clump together.
If you can only find spreadable tub cream cheese instead of blocks, increase the gelatin powder in the Cheesecake Filling to four teaspoons to ensure a firm set.
Regular granulated sugar works as a substitute for caster sugar in the cream cheese filling, provided you beat the mixture for extra time until a small pinch of the batter feels entirely smooth and free of any gritty crystals.
Storage
Do not freeze this dessert because the airy Cheesecake Filling will become watery and sloppy when thawed.
The assembled cake keeps in the refrigerator for up to seven days, but the unstabilized Whipped Cream Topping will begin to weep and deflate after roughly three hours.
Serving
Keep this dessert cold right up until you are ready to eat, slicing the large slab to yield roughly eighteen to twenty-four portions.
Common mistakes
Avoid using chocolate-coated or cream-filled cookies for the base, as the extra fats and soft centers will prevent the Cookie Crust from setting properly.
Never let the Gelatin Mixture boil in the microwave because excessive heat completely destroys its ability to set the liquid into a solid.
Techniques
If the chilled dessert refuses to release from the pan, rest the bottom of the dish on a hot, wet towel for a minute to gently soften the butter.
Always use full-fat heavy cream straight from the refrigerator to ensure it whips quickly into firm, stable peaks.
Soften cream cheese thoroughly at room temperature before mixing to prevent stubborn lumps from ruining the smooth texture of your filling.
When folding aerated ingredients into a denser base, lighten the base with a small scoop of the airy mixture first to prevent deflating the rest of the bowl.
- Store
- Do not freeze this dessert because the airy Cheesecake Filling will become watery and sloppy when thawed. The assembled cake keeps in the refrigerator for up to seven days, but the unstabilized Whipped Cream Topping will begin to weep and deflate after roughly three hours.
Can I use regular granulated sugar instead of caster sugar?
Regular granulated sugar easily replaces the superfine sugar in the filling. Because standard granules take more time to dissolve in cold desserts, you must run the mixer longer when blending the sweetened cream cheese. Check the texture by pinching a tiny smear of the batter, and keep beating the bowl until you feel zero gritty crystals.
How do I fix the crust if my crushed digestive biscuits are too dry to clump together?
Drier substitute biscuits might fail to hold a solid shape when pinched in your hand. If this happens, pour some additional melted butter into the crumbs until the texture resembles damp beach sand, ensuring the base compresses tightly into the lined pan.
Why are there rubbery lumps inside my set cheesecake?
This happens if a solid skin forms on the melted Gelatin Mixture as it cools on the counter. If you notice a film developing, gently warm the bowl in the microwave for five seconds to liquify it again before adding it to the Cheesecake Filling.
Why did my cream cheese base melt and turn runny after adding the gelatin?
You likely poured the melted Gelatin Mixture into the bowl while it was still hot. You must let the microwaved liquid cool on the counter for about five minutes first, otherwise the heat will rapidly melt your cream cheese.
How far in advance can I make this dessert for a party?
The undecorated cake will keep in the refrigerator for up to seven days, though the Cookie Crust is at its crispest between 12 and 36 hours. Wait to apply the Whipped Cream Topping until a few hours before serving, as the unstabilized cream will start to weep and deflate if left too long.
Do I have to include the lemon juice for the filling to set correctly?
No, the tablespoon of lemon juice in the Cheesecake Filling is purely for flavor. You can omit it entirely without impacting the structure of the finished dessert.
How do I slice a large slab dessert cleanly without smearing the layers?
Use a large, sharp knife and wipe the blade completely clean with a warm, damp cloth between every single cut. This prevents the rich filling from dragging across the edges of your neat rectangular portions.
What is the right way to bloom powdered gelatin?
Always sprinkle the powder in a thin, even layer over the surface of cold water rather than dumping it all in one spot. This gives every single granule a chance to absorb the liquid and hydrate evenly, which prevents dry clumps.
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