How to Make Colorful Rainbow Jello Jigglers: Fun Layered Recipe

Rainbow Jello Jigglers are a colorful, kid-friendly treat that work well for parties, holidays, or as a fun addition to a packed lunch. These handheld jello squares capture the bright layers and fruity flavors of a classic rainbow jello mold but are easier to serve and enjoy without worrying about unmolding.

This version started as a request from a reader who wanted the rainbow jello mold adapted into a finger food format. The recipe was adjusted to fit a 9×13 pan and retains the striking layered look while simplifying assembly and serving.

The process takes about three hours from start to finish, though most of that time is resting in the refrigerator between layers. Plan to be at home during the build so you can add a new layer every 10–15 minutes. The jigglers must rest and firm up overnight, so prepare them a day ahead for best results.

For this recipe you will need six flavors of gelatin (red, orange, yellow, green, blue, and purple) and full‑fat vanilla yogurt. The yogurt is mixed with half of each color to create the opaque layers; the other half of each flavor is used clear so each color has two layers—opaque first, then clear—resulting in twelve layers in total.

Pour 1 1/4 cups boiling water into each flavor and stir until the gelatin is fully dissolved. Arrange the containers in reverse rainbow order (start with purple and end with red) because you’ll build the layers from purple up to red.

Lightly spray a 9×13 glass pan with cooking spray so the jello releases more easily once set. You will create 12 layers: for each color, start with a yogurt-mixed opaque layer, then add a clear layer of the same color.

For each color, measure out about 3/4 cup of the prepared gelatin and set it aside for the clear layer. Mix the remaining 3/4 cup with 1 1/2 tablespoons full‑fat vanilla yogurt and whisk until completely smooth with no lumps.

Pour the yogurt-jello mixture into the prepared pan for the first layer and chill in the refrigerator for about 15 minutes. It’s important to time layers carefully: each layer needs to be partially set—firm enough to accept the next layer but not fully solidified so they adhere together.

Set a timer for each chilling interval. To test readiness, gently jiggle the pan—there should be no visible liquid movement—and lightly press with a fingertip. The surface should be tacky and hold a faint fingerprint impression. If it’s still too soft, return to the refrigerator for 2–3 minute increments until it shows the slight impression.

While the first layer chills, place the reserved clear portion of the same color in the refrigerator as well so it cools slightly before pouring.

When the base layer is tacky, very gently spoon the clear gelatin in small spoonfuls over the surface, distributing them randomly instead of pouring in one spot. Keep the spoon close to the surface so the liquid gently “rolls” onto the layer without breaking through. If you notice the two layers swirling together, stop and chill the pan a little longer before trying again.

I didn’t photograph every step in the 9×13 pan, but the image below illustrates how the clear layer should sit on top of the previous layer without mixing.

The first transition is the trickiest, so take your time. After adding the clear layer, chill for another 12–15 minutes, then repeat the opaque‑then‑clear process with blue, green, yellow, orange, and finally red. As you proceed, the cooling time for each layer will shorten slightly because the leftover jello sitting on the counter cools down.

The waiting gelatin containers can remain at room temperature during assembly; they rarely begin to set while you work. If one does start to firm up, place the container in a bowl of hot water and stir to return it to a liquid state—be careful not to let any water get into the gelatin.

After adding all twelve layers, refrigerate the pan overnight to allow the jello to fully firm. The next day, use cookie cutters for playful shapes or slice into squares for easy serving. Keep the pan covered and refrigerated until serving to preserve the clean layers and prevent drying.

These jigglers are best served indoors or in a cool environment. Avoid serving them at hot outdoor events—heat will cause the jello to soften and collapse, turning your colorful creation into a sticky mess.

Take a moment to admire your handiwork—you’ve made a cheerful, layered dessert perfect for kids and celebrations alike. Job well done!