Colorful Rainbow Jello for Parties Recipe
Introduction
Rainbow Jello is a vibrant and fun dessert that’s perfect for parties and gatherings. Layers of colorful gelatin alternate with creamy, sweetened condensed milk for a delightful treat that’s as beautiful as it is tasty.

Ingredients
- 5 packs flavored gelatin (any variety)
- 5 cups boiling water
- 2.5 cups cold water (chilled)
- 1 cup sweetened condensed milk (or coconut milk for dairy-free)
Instructions
- Step 1: Dissolve one packet of flavored gelatin in 1 cup of boiling water, stirring for 2–3 minutes until completely dissolved.
- Step 2: Stir in ½ cup of cold water to the dissolved gelatin mixture.
- Step 3: Pour this first layer into an 8″ x 8″ glass dish and refrigerate for about 30 minutes until fully set.
- Step 4: Prepare the creamy layer by dissolving another gelatin packet in 1 cup boiling water, adding ½ cup cold water, then stirring in ½ cup sweetened condensed milk.
- Step 5: Once the first layer is firm, gently pour the creamy gelatin mixture on top and refrigerate for another 30 minutes.
- Step 6: Continue alternating between colored gelatin layers and creamy layers until all gelatin packets have been used.
- Step 7: After the final layer has fully set, slice the jello into squares and serve chilled.
Tips & Variations
- Use a spoon to gently pour layers to avoid mixing the colors.
- Try different flavored gelatin packets for a unique color pattern each time.
- For a dairy-free version, swap sweetened condensed milk with coconut milk or another non-dairy creamer.
- If you want firmer layers, let each set for longer or reduce cold water slightly.
Storage
Store leftover rainbow jello covered in the refrigerator for up to 3 days. To serve again, keep it chilled or let it sit at room temperature for a few minutes to soften the texture slightly. Avoid freezing, as it can change the texture when thawed.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use any flavored gelatin for this recipe?
Yes, any flavored gelatin can be used to create different colored layers and flavors. Feel free to mix and match to your preference.
How do I prevent the layers from mixing?
Allow each layer to fully set in the refrigerator before adding the next. Pour gently over the back of a spoon or from a low height to avoid disturbing the set layers.
PrintColorful Rainbow Jello for Parties Recipe
This vibrant and fun Rainbow Jello recipe is perfect for parties and celebrations. Layers of colorful flavored gelatin alternate with creamy sweetened condensed milk layers, creating a visually stunning and delicious dessert that’s easy to prepare and sure to impress your guests.
- Prep Time: 10 minutes
- Cook Time: 30 minutes per layer (about 3 hours total including setting time)
- Total Time: 3 hours 10 minutes
- Yield: About 16 servings (4x4 squares from 8x8 dish) 1x
- Category: Dessert
- Method: Refrigeration
- Cuisine: American
- Diet: Vegetarian
Ingredients
Gelatin Layers
- 5 packs Flavored Gelatin (any variety of your choice)
- 5 cups Boiling Water
- 2.5 cups Cold Water (chilled)
Creamy Layers
- 1 cup Sweetened Condensed Milk (can be substituted with coconut milk for a dairy-free version)
Instructions
- Dissolve Gelatin: Dissolve one packet of flavored gelatin in 1 cup of boiling water by stirring for 2–3 minutes until the gelatin is completely dissolved.
- Add Cold Water: Stir in ½ cup of chilled cold water into the dissolved gelatin mixture to cool it down slightly.
- Set First Layer: Pour this gelatin mixture into an 8″ x 8″ glass dish and refrigerate for about 30 minutes until the layer is fully set and firm.
- Prepare Creamy Mixture: In a separate bowl, dissolve another packet of flavored gelatin in 1 cup of boiling water, then stir in ½ cup of cold water followed by ½ cup of sweetened condensed milk to create a creamy gelatin layer.
- Add Creamy Layer: Once the first gelatin layer is completely set, gently pour the creamy mixture over it to avoid mixing layers, then refrigerate again for about 30 minutes until set.
- Alternate Layers: Continue alternating between plain flavored gelatin layers and creamy gelatin layers, repeating the previous steps until all gelatin packets and mixtures are used.
- Final Setting: After pouring the last creamy layer, refrigerate until fully set, typically about 30 minutes.
- Serve: Once all layers are firm, slice the rainbow jello into squares and serve chilled for a colorful party treat.
Notes
- Use different colored and flavored gelatin packets to create a vibrant rainbow effect.
- For a dairy-free version, substitute sweetened condensed milk with coconut milk or another dairy-free condensed milk alternative.
- Pour creamy layers gently over a spoon to avoid mixing with the layers below.
- Ensure each layer is completely set before adding the next to maintain clear separation of colors.
- Use an 8″ x 8″ glass dish or similar size for best layering results.
- Refrigerate the jello for at least 2–3 hours total before serving to ensure all layers are firm.
Keywords: rainbow jello, layered jello, party dessert, colorful jello, gelatin layers, creamy jello, easy dessert

