|1. You'll need at least two colors for this design. One will be your primary color and one will be black. To find a royal icing recipe, CLICK HERE
2. Using a squeeze bottle or pastry bag fitted with a #3 tip, outline each light bulb with red, yellow, green, blue, etc.
3. Fill in the light bulb with the same icing. Should be a "flow" consistency that you can easily spread with a small paintbrush to the outline you just made.
4. Using a pastry bag or a squeeze bottle filled with black icing and fitted with a #2 or #3 tip, add the black portion of the end of the light bulb. If you have a peak, use a dampened brush to gently tap the peak. To make black icing, add cocoa powder to white icing. This will take your icing to a nice brown and then you'll need much less black food coloring. To learn more about making black or brown icing, click here.
6. Allow cookies to dry for several hours before storing. If you're using royal icing, the cookies can be frozen. Remember to bring the container back to room temperature before opening to avoid condensation on the cookies.
HINT: Red icing can be tricky to make. Make it a day ahead of time and it will darken to a nicer red for you.