In a mixing bowl with a spout, stir cherry jello and 1 cup boiling water until dissolved.
Add cold water, tequila, and grenadine. Stir to combine.
Fill each cup about one-third full with the cherry mixture.
Refrigerate for 2 hours or until fully set.
In a clean bowl, stir orange jello and 2 cups boiling water until dissolved.
Add orange juice and tequila. Let sit 5 to 10 minutes to cool to room temperature.
Gently pour orange mixture over the cherry layer to fill the cups.
Refrigerate for 2 more hours, or until fully set.
Serve cold. Garnish with a maraschino cherry and orange wedge just before serving, if desired.
Notes
🥡 STORAGE: Store jello shots covered in the refrigerator for up to 2 weeks.Best enjoyed within the first 7 days for ideal flavor and texture.♨️ REHEATING: Jello shots are served cold and do not require reheating. Do not attempt to warm them, as they will melt.❄️ FREEZING: Freezing is not recommended. Frozen jello turns grainy and unpleasant once thawed.💡 TIPS FOR BEST RESULTS: Use chilled tequila to help the jello set faster.Allow the orange layer to cool to room temperature before pouring over the cherry layer.Use measuring cups with spouts for clean pouring.Clear enough space in your fridge ahead of time to fit two trays of 15 shots each.🍳 ALTERNATE COOKING METHODS: No alternate cooking methods are needed for this no-cook, no-bake recipe.♻️ LEFTOVERS: Keep leftover jello shots refrigerated and covered.Do not garnish until just before serving to prevent weeping or melting of the tops.Use leftovers within a week for the best taste and texture.