Gravity-Defying M&M Kit Kat Chocolate Cake
This showstopping eggless chocolate cake defies gravity with a dramatic design featuring M&Ms cascading down a central balloon stick. Two moist chocolate cake layers are crumb-coated, wrapped with Kit Kat pieces, and topped with a tumbling fountain of colorful candies that appear to fall from an oversized M&M packet perched above. The combination of rich chocolate icing, crispy wafer cookies, and sweet candy creates textural contrast while the visual impact makes it perfect for birthday parties and celebrations. This version stands apart through its engineering—a hidden support structure makes the gravity illusion work—and eggless formulation accessible to those avoiding eggs. Best served fresh, though it can be assembled a day ahead, making it ideal for party planning.
Ingredients
- 2 eggless chocolate cakes baked in 23 cm tins, from separate reciperegular chocolate cakes1:1gluten-freeveganeggs-free
egg-inclusive cakes work identically
- chocolate icing, for crumb coating and assemblybuttercream1:1dairy-free variants availableadds dairy
consistency matters more than type
- 2 tbsp superfine sugar, for simple syrup
- 2 tbsp warm water, for simple syrup
- chocolate, melted, for assembly and adhesive
- fondant, on cake board
- M&Ms, candySmarties1:1candy alternative
similar size and color variety
- Kit Kat, bars, cut in piecesPocky sticks1:1alternative wafer cookie
similar visual effect
- 2 straws or balloon stick, for support structure
- 1 empty M&Ms packet, for toppingSmarties1:1candy alternative
similar size and color variety
- ribbon, for decoration around cake(optional)
- cotton buds, to fill M&M packet for appearance(optional)
Instructions
- 1
Bake two eggless chocolate cakes in 9" tins and freeze them.
- 2
The day before serving, level the frozen cakes with a sharp serrated knife.
- 3
Brush the cake tops with simple syrup.
- 4
Layer the cakes with chocolate icing between them, placing the smoothest surface on top.
- 5
Apply a crumb coat of chocolate icing to the entire cake while still frozen, starting from the top then sides. Smooth with a spatula. Refrigerate until hardened.
- 6
Using a skewer, drill a hole through both cake layers in the center, sized to fit the straws or balloon stick.
- 7
On a cake board, place melted chocolate, top with fondant, insert the straws or balloon stick, and let harden.
- 8
Transfer the cake onto the board, threading it onto the stick from above. Ensure the stick extends above the cake.
- 9
Cut Kit Kat bars in half.
- 10
Apply a thin layer of fresh chocolate icing to the cake sides.
- 11
Press Kit Kat pieces around the sides of the cake.
- 12
Top the cake with M&Ms, adhering them with melted chocolate and allowing it to set between layers.
- 13
Fill an empty M&M packet with cotton buds. Secure it to the top of the balloon stick with melted chocolate, positioning it to look like M&Ms are spilling out.
- 14
Wrap a ribbon around the Kit Kat band. Serve.
Tips
Level cakes while half-frozen with a sharp serrated knife for cleaner, more even cuts. Frozen cakes are firm enough to handle precisely without crumbling, making the foundation for a smooth cake crucial.
Brush simple syrup after leveling to keep layers moist during assembly and refrigeration. This prevents drying and adds subtle flavor, especially important for eggless cakes which can dry faster.
Drill the center hole after crumb coating hardens to avoid disturbing the smooth icing surface. A skewer ensures precise sizing for a snug fit on your support stick.
Good to Know
Keep in airtight container at room temperature up to 2 days. Candies may soften in refrigeration.
Assemble the day before serving. Freeze cakes in advance. Add M&Ms and ribbon 2-3 hours before serving for best visual impact.
Serve at room temperature. Display on cake stand with the gravity effect as centerpiece before cutting into slices.
Common Mistakes
Do not skip the crumb coat before final icing to avoid rough, unprofessional appearance.
Do not assemble while cakes are fully thawed to prevent crumbling and icing sliding.
Do not drill the center hole before crumb coating hardens or the icing will be damaged.
Substitutions
Dairy-Free Swaps
consistency matters more than type
Vegan Options
egg-inclusive cakes work identically
General Alternatives
similar size and color variety
similar visual effect
FAQ
Can I make this cake ahead of time?
Yes. Bake and freeze cakes up to one week ahead. Assemble and crumb coat the day before serving. Add candies 2-3 hours before guests arrive for the most dramatic presentation and best candy appearance.
What if I don't have a balloon stick?
Two sturdy straws taped together work equally well. Ensure whatever you use is tall enough to extend above the cake and strong enough to support the M&M packet at the top without bending or tipping.
How long does the finished cake keep?
Best within 2 days at room temperature. Candies soften in the refrigerator and the icing can become too firm. The melted chocolate adhesive may weaken after 3-4 days, causing M&Ms to slide.