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We Bet You Haven’t Tried This Fun Buttercream Technique Yet!

Crochet is a trendy fiber arts technique that uses crochet hooks and wool or thread. Different loops are formed and crocheted together to form blocks or patterns. In this project, buttercream is used to recreate a crochet design on a cake.

This cake was decorated in the rectangular stoneware dish in which it was baked, making this a fun gift to present together. Included in this free tutorial is an easy modeling chocolate flower that looks as if it has been knitted with a crochet hook.

In this step-by-step piping tutorial, I will show you how to create contemporary buttercream crochet.

Crochet cake

Piped buttercream crochet cake design.

Photos via Katrien’s Cakes

Master more buttercream knitted effects in this online class!

Unbelieveable Buttercream Techniques Craftsy Class

Impress loved ones and clients alike with buttercream knitted effects, flowers, lace and more in these HD video lessons guided by experts you trust.Enroll Now »

How to make a buttercream crochet cake

Materials:

  • The FREE crochet cake template
  • 1 rectangular cake or quarter sheet cake of 9 x 13 inches (22.5 x 32.5 cm) (baked in a rectangular stoneware dish, cake tin or oven pan that can be presented as a gift)
  • 1/4 cup (60 ml / 2 1/4 fl oz) sugar syrup
  • 3 3/4 cups (1.01 kg / 937.5 ml) crusting buttercream; remove 1 cup (250 ml / 9 fl oz) of buttercream and divide it into four bowls to color
  • 4 small piping bags
  • 7 ounces (200 g) white modeling chocolate; color half of the modeling chocolate light purple and color the rest light green
  • Use 1 tbsp (15 ml) crusting buttercream colored light blue to pipe on the flower
  • Toothpick
  • Pastry brush
  • Palette knife
  • Wax paper, unpatterned kitchen towel or Viva towels
  • Cake smoother or acetate

Instructions:

Crochet template

Step 1:

Copy my crochet design or any design of your choice onto paper, making sure that the design is small enough to fit in a 3 x 3 1/4 inch (7.5 x 8 cm) block. Cut out the inside of the crochet design, such as a flower, with scissors to use as a template.

(Click here to download the FREE printable template.)

Brush cake with syrupStep 2:

Prick the baked cake all over with a toothpick and brush with sugar syrup.

Smooth buttercreamStep 3:

Spread the cake with 2 3/4 cups (687.5 ml / 24½ fl oz) of buttercream with a palette knife. Let the buttercream crust for a few minutes and then smooth it by placing un-patterned paper towels or wax paper on the buttercream and smoothing it with a cake smoother or a piece of acetate.

Mark blocks on buttercreamStep 4:

Mark the top of the cake into even 3 x 3 1/4 inch (7.5 x 8 cm) blocks by using a ruler and a sterilized pin or toothpick to draw lines on the surface of the buttercream.

Draw template in buttercreamStep 5:

Place the crochet template on each block and trace the outline in the buttercream with a pin or toothpick.

Four bowls colored buttercreamStep 6:

Leave the cake to crust for at least an hour before piping on the colored buttercream. Otherwise, it could bleed into the plain white buttercream surface.

(You can find a complete step-by-step for crusting buttercream in our FREE PDF guide Not-So-Basic Buttercream Decorating Ideas.)

Divide the 1 cup (250 ml / 9 fl oz) buttercream into four bowls. Keep one bowl white and color the buttercream in the other bowls with purple, green and blue food coloring.

Colored buttercream in piping bagsStep 7:

Spoon 15 ml (1 tbsp) of each color buttercream at a time into separate small piping bags.

Cut a small opening at the end of the green and purple piping bags and slightly bigger holes at the end of the blue and white bags.

Place a damp cloth over the bags when not in use so that the buttercream does not dry out.

Practice piping with the buttercream on a piece of paper to gain confidence.

Pipe zig-zag centerStep 8:

Start piping the blocks in the center of the cake first, finishing each block completely before you move on to the next. This keeps your hand from pressing on the outside blocks and flattening the design, when piping. Turn the cake around while piping to make it easier to reach all areas and refill the icing bags as needed.

Working on one block at a time, pipe a purple or green zigzag circle inside the flower.

Pipe chain petalsStep 9:

Next, outline the flower petals in chain stitches. To pipe chains, touch the tip of the icing bag to the surface of the cake and while applying steady pressure, pipe the icing in a circle to end where you started. Pipe these small loops above or below each other with purple or green buttercream.

Pipe links

Pipe borderStep 10:

For the links from the flower petals to the border of each block and for the frames around each block, pipe squiggly lines. To form squiggly lines, keep the tip of the bag on the surface of the cake while piping. Wiggle the bag slightly while piping. This will add to the rough woolly look of the design. Use white or blue buttercream for the squiggly lines, first piping the links and then the border.

Flatten pointsStep 11:

Use a damp paintbrush to flatten any points on the loops and lines or to correct any mistakes. If you have made an error, wait for the buttercream to dry and then flick it off the cake with a toothpick or paintbrush.

Repeat these steps to fill all the blocks.

(There are many interesting buttercream piping techniques shown in the Craftsy course Simple Piping, Stunning Results with Amanda Rettke that you could use for this step.)

Crochet blocksTips:

Use plain sugar syrup or infused with a flavor such as vanilla, lemon rind, coffee or chocolate to brush over your cake to add moistness.

Leftover buttercream can be frozen for another project.

How to make the crocheted flower:

Colored modeling chocolateStep 1:

Knead the modeling chocolate until it is soft.

Twist ropes of modeling chocolateStep 2:

Roll each color into a sausage and twist the sausages together.

Knead colored modeling chocolateStep 3:

Knead the two colors together until the paste is slightly marbled.

Marbled ballsStep 4:

Pinch off five pieces of modeling chocolate of ½ ounce (15 g) each and roll them into balls.

Flatten each ballStep 5:

Flatten each ball between your hands or with your fingers until you have five flat petals.

Place petals in circleStep 6:

Place the petals in a circle, overlapping them and tuck the last petal underneath the first one.

Pipe buttercream on petalsStep 7:

Fill a small piping bag with light blue buttercream and pipe loops around the edge of each petal.

Place petals in bowlStep 8:

Lift the petals into a bowl lined with plastic wrap (cling film).

Place second petal set on top

Press in center of petalsStep 9:

Repeat the steps with another five pieces of modeling chocolate of 1/3 ounce (10 g) each.

Place the petals in a circle and pipe loops around the edges of the petals.

Lift the petals onto the first row of petals. Press in the center of the petals to attach them to the first row. The modeling chocolate should easily stick to itself.

Place petals in rowStep 10:

Pinch off five more pieces of modeling chocolate of 1/6 ounce (5 g) each.

Roll the pieces into balls and then flatten them as before.

Place the flattened petals next to one another overlapping them slightly.

Roll up petals

Roll completely to closeStep 11:

Roll up the petals from one side to the other to form the center of the flower.

Cut bottom of petalsStep 12:

If the center looks too long, cut off the bottom with scissors.

Pipe buttercream on bottomStep 13:

Place the center in the middle of the second row of petals. If it does not feel secure, dab on some buttercream to attach it to the rest of the flower.

Pipe buttercream on centerStep 14:

Pipe loops all around the center of the flower. Leave the flower for a few minutes to air dry and firm up.

Pipe buttercream blobStep 15:

Pipe a drop of buttercream on the cake and place the crochet flower on top.

Crochet flowerTip:

The flower can be made up to two weeks ahead. Buttercream can be piped on the pre-made flower up to a day ahead.

To learn how to make other modeling chocolate flowers be sure to sign up for the Craftsy course Over-the-Top Modeling Chocolate with Kate Sullivan.

Final crochet cakeMini loaf crochet cakes:

Bake mini loaf cakes in a mini bread loaf tin and cover your cakes with buttercream.

Using the above method, pipe crochet patterns on the surface of the loaf cakes with colored buttercream.

Mini loaf cake

You might also enjoy our ball of yarn cake pop tutorial.

What other crafts have inspired your cake designs?

Master more buttercream knitted effects in this online class!

Unbelieveable Buttercream Techniques Craftsy Class

Impress loved ones and clients alike with buttercream knitted effects, flowers, lace and more in these HD video lessons guided by experts you trust.Enroll Now »

3 Comments

Sonia Johnson

Lovely…so talented

Reply
Sonia Johnson

Beautiful

Reply
Katrien Van Zyl

Thank you so much Sonia!

Reply

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