This recipe, adapted from one in Australian Vogue, couldn't be much simpler: two ingredients, no added sugar.
You combine fresh orange juice with unflavored gelatin, then chill the mixture in the empty orange shells. Once the shells are cut up, the individual wedges are ringers for actual orange slices - except they jiggle in a slightly spooky, Halloween-ish way.
Virtually any member of the orange citrus family is a likely candidate for jiggly wedge-dom at Halloween: clementines, tangerines and tangelos. The aptly-named blood orange, of course, is tailor-made for the job.
I've also included an adult variation on this recipe - the addition of vodka. If using, be certain to measure it out carefully. More than the suggested 1 1/2 ounces of vodka and the gelatin won't set up.
Finally, don't save these for Halloween. Minus the vodka, this is a perfectly kid-friendly after-school snack.
Jiggly orange wedges
•n 3 navel oranges
•n 2 juice oranges (such as Valencia)
•n 1 envelope unflavored gelatin
•n 1 1/2 ounces vodka (optional)
Cut oranges in half crosswise, then juice. Do not crush the skins of the navel oranges. Strain the juice through a mesh colander, then measure out 1 3/4 cups.
Gently scrape out and discard pulp from the navel oranges to form half shells.
In a small saucepan, combine 1/4 cup of juice with the gelatin. Set aside for 5 minutes to let the gelatin dissolve. Heat the mixture over low heat, stirring until the gelatin is dissolved and the mixture is clear, 3 to 4 minutes. Whisk in the remaining juice and vodka.
Arrange the orange shells, cut side up, in muffin tins or ramekins to keep them upright. Set the muffin tin in the refrigerator, then fill the oranges.
Cover the filled shells with plastic wrap and chill until firm, at least 4 hours. Cut into wedges for serving.
Nutrition information per serving (minus vodka): 35 calories; 7 calories from fat (0 percent of total calories); 0 g fat (0 g saturated; 0 g trans fats); 0 mg cholesterol; 7 g carbohydrate; 0 g fiber; 6 g sugar; 2 g protein; 0 mg sodium.