Buttercream Ranunculus | Pipe This Lovely Flower in Minutes
Chef Alan TetreaultIn this tutorial: What You'll Need · Building the Center · Piping the Outer Petals · Making a Larger Ranunculus · Buttercream Eucalyptus · Piping Leaves · Assembling on a Cake · Tips & Troubleshooting
Ranunculus have become one of the most sought-after flowers in the wedding market, and cake decorators are following the trend. Unlike the classic buttercream rose — where petals flare outward — a ranunculus features tightly layered petals that curve inward, creating a dense, peony-like bloom. It sounds tricky, but the technique is actually quite approachable once decorators understand one key difference from rose-making.
What You'll Need
- Piping tips — Wilton #102 and #104 (for the ranunculus center); curved petal tips #120, #122, or #123 (for outer petals); tip #59, #60, or #61 (for eucalyptus)
- Flower nail — large size
- Parchment paper squares — cut to fit the flower nail
- Piping bags with couplers
- Buttercream icing — a stiff flower-making formula (Chef Alan has a separate video on this)
- Gel food coloring — Chef Alan Select Olive Green, Rose Pink, Pink, and Lemon Yellow
- Small craft scissors — for transferring frozen flowers to the cake
↪ Mixing the Colors
Chef Alan creates three colors for this arrangement:
- Peachy-rose (two shades, light and dark): Combine Lemon Yellow, Rose Pink, and regular Pink gel colors. Adjust the ratio for a lighter and a darker shade.
- Dark olive green: Use Olive Green gel color for the eucalyptus and leaves.
Building the Center
The beginning of a ranunculus looks similar to a rose — but only for the first few strokes. Using a #102 tip, start by piping a small mound of buttercream in the center of the parchment-topped flower nail.
- Create a pointed center: Pipe a small point in the middle of the mound, then pipe a single wrap around it — just like starting a rose bud.
- Switch to overlapping petals: This is where the ranunculus diverges from a rose. Instead of opening petals outward, pipe four small petals that cross over the center, starting on one side and going right over the top. Each petal overlaps the previous one.
- Build density: For a slightly larger center, repeat this overlapping step with another set of four petals.
The result is a woven, tightly layered center — the signature look of a real ranunculus.
⚠️ Key difference from a rose: When making a rose, the thin edge of the tip points outward so petals flare open. For a ranunculus, the thin edge of the tip must point inward, toward the center. This is the opposite of most other piped flowers and is the single most important detail to get right.
Piping the Outer Petals
Switch to a curved petal tip (#120) for the outer petals. The curved tip naturally cups each petal inward, reinforcing the ranunculus shape.
- Start at the bottom of the petal, come up and around the top, then return to the bottom.
- Pipe four petals around the center. Each new petal should start in the middle of the previous one.
- Add a fifth petal that sits slightly higher and extends a bit further out to create a natural, open look.
💡 Why individual petals matter: A real ranunculus has dozens of tiny, distinct petals layered tightly together — from a distance, they look like long petals wrapping around the center, but they are not. Piping individual petals rather than one continuous ribbon produces a much more realistic result.
Making a Larger Ranunculus
To make a bigger bloom, simply scale up the tip sizes:
- Center: Use a #104 tip (instead of #102)
- Outer petals: Use a #122 or #123 curved petal tip (instead of #120)
The process is identical — build the overlapping center, then add layers of outer petals — but the larger tips produce wider petals and a more dramatic flower.
For the outer petals with the curved tip, piping must come from the back of the flower (not the front). The curve of the tip only cups correctly in that direction. Start at the bottom, pipe up and over, and return to the bottom — four petals per layer, with each new petal beginning at the midpoint of the last.
Use a slightly lighter shade of buttercream for the outer petals to create natural color variation, just as real ranunculus blooms appear lighter at the edges.
Bonus: Buttercream Eucalyptus
Eucalyptus pairs beautifully with ranunculus on wedding-style cakes. Using a small curved petal tip (#59, #60, or #61) and dark olive green buttercream:
- Pipe a tall mound of icing straight up on the parchment — this forms the stem.
- Pipe three curved leaves starting at the bottom of the mound. Each leaf starts just behind the previous one and curves slightly upward.
The result is a compact eucalyptus sprig that can be frozen and placed between flowers on the finished cake.
💡 Keep the tips clean. Curved petal tips clog quickly with icing buildup, which distorts the leaf shapes. Wipe the tip after every few leaves.
Piping Buttercream Leaves
Using a #102 tip and green buttercream, pipe leaves to fill gaps in the arrangement:
- Hold the tip with the wide end facing toward you and the thin end pointing outward.
- Start in one spot and pipe back and forth, making the top of the leaf slightly wider than the base.
- Make leaves in different shades of green for variety.
These leaves can be piped directly onto the cake or made ahead and frozen alongside the flowers.
Assembling the Flowers on a Cake
Once all the flowers, eucalyptus, and leaves are piped, freeze everything for 10 to 15 minutes before decorating the cake. Semi-frozen buttercream flowers hold their shape and are much easier to handle than fresh ones.
To assemble:
- Pipe a mound of icing on top of the cake where the arrangement will sit — this lifts and anchors the flowers.
- Place the ranunculus first. If the flowers are cold enough, they can be lifted by hand; otherwise, use small scissors to slide underneath.
- Tuck in the eucalyptus between the flowers.
- Fill gaps with leaves and any remaining greenery.
💡 Freezing is the secret to easy assembly. Ranunculus are large, flat flowers that are difficult to handle at room temperature. A short freeze makes them firm enough to pick up and position without damage.
Tips & Troubleshooting
💡 Use flower-specific buttercream. Standard cake-icing buttercream is too soft for piped flowers. Chef Alan has a dedicated recipe for flower-making buttercream — stiffer and designed to hold intricate petal shapes.
💡 Watch the thin edge of the tip. For ranunculus, the thin point should always tilt inward toward the center of the flower. For most other flowers (roses, carnations), the thin edge faces outward. Breaking the rose-piping habit is the biggest adjustment for experienced decorators.
⚠️ Petals curving the wrong way? With curved petal tips (#120–#123), the piping direction matters. The tip can only be used from the back of the flower — piping from the front will produce petals that curve outward instead of inward.
💡 Vary petal color by layer. Use a slightly darker shade for the center and a lighter shade for the outer petals. This mimics the natural color gradient of a real ranunculus and adds depth to the finished flower.
This tutorial is part of Global Sugar Art's library of free cake decorating videos by Chef Alan Tetreault. Browse all tutorials →
