1. Prepare Lime Jelly
In a large bowl, whisk Lime Jelly Powder with ¾ cup boiling water until fully dissolved.
Stir in lime zest and ⅓ cup lime juice.
Set aside and allow to cool to room temperature.
2. Prepare Margarita Pudding
Pour 5 cups cold milk into a large mixing bowl.
Using an electric mixer on low speed, blend in prepared pudding mix for about 1 minute.
Scrape down the sides and bottom of the bowl.
Continue mixing on low speed for 3–5 minutes, until smooth.
Add the cooled lime jelly mixture and mix another 3–5 minutes until fully incorporated.
Refrigerate until slightly firm, 10–15 minutes.
3. Garnish & Assemble
Pour ¼ cup lime juice into a shallow dish and graham crumbs into another.
Dip the rims of clear serving cups into lime juice, then into graham crumbs to coat.
Portion ½ cup Mock Margarita Pudding into each prepared cup.
Garnish each serving with one lime wedge.
