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Rainbow Jell-O
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schedulePrep 0 min
local_fire_departmentCook 0 min
speedmedium
Source: Wikibooks contributors
Adapted: Imported and reformatted by HowManyCookies from the cited Wikibooks revision.
Source revision: Revision 4587289
License: CC BY-SA 4.0 · Wikibooks contributors
Ingredients
Scale
- 6 ¼ cups (about 1.5 L) boiling water
- 5 (or more) packages Jell-O flavored gelatin (4-serving-size each; different flavors and colors)
- 1 cup (240 g) sour cream or plain or vanilla yogurt
Directions
- Select one or more molds. The total volume will be approximately 8 cups; a ring mold, 2–3 glass containers (as pictured), or any other assortment should work; for best results, the container should be at least 3 in (10 cm) deep, allowing for about ten 1cm-thick layers.
- Stir 1¼ cups boiling water and one package gelatin in a small bowl for at least 2 minutes, until completely dissolved. In practice, it may not quite completely dissolve.
- Pour ¾ cups dissolved gelatin into the mold(s).
- Refrigerate for about 15 minutes, until the gelatin sets but is not yet firm: the gelatin should stick to your finger when you touch it. The aim is for the layers to stick, but not mix.
- Refrigerate the remaining gelatin for about 5 minutes, until it is slightly thickened (to the consistency of unbeaten egg white).
- Gradually stir 3 tablespoons sour cream or yogurt into the remaining, thickened gelatin.
- Spoon the gelatin on top of the previous layer (gently, so as to maintain a smooth surface).
- Refrigerate again for about 15 minutes.
- Repeat the above layering process for each of the remaining flavors. Be sure to cool adequately between layers to prevent melting and mixing.
- Refrigerate for about 2 hours, until firm.
- Remove the gelatin from the mold and place it (probably upside down) on a plate or smooth cutting board. Store refrigerated under saran wrap or aluminum foil. For best effect, serve sliced perpendicular to the layers, so each slice (approximately 1 cm thick) displays the full rainbow.