Ingredients

36 plastic shot glasses

3 1/2 tbsp. grape Jell-O powder

3 1/2 tbsp. lime Jell-O powder

5 envelopes plain gelatin, divided

3 c. cold vodka, divided

Black food coloring

2 c. Milk, Divided

1/2 c. granulated sugar

Preparation

Step 1Before starting, line up all shot glasses on one or two cookie sheets that will fit nicely in your fridge. Step 2For black layer: In a medium saucepan, mix together 1 cup water with grape Jell-O and lime Jell-O and sprinkle 1 envelope gelatin on top. Allow mixture to sit for 1 minute, then whisk everything together; heat on medium until it reaches a simmer. Add 1 cup vodka and whisk together. Add several drops of black food coloring and mix well. Place 1 tablespoon black Jello mixture into each plastic shot glass and place in fridge for about 30 minutes.Step 3For white layer: In a medium saucepan, sprinkle 2 envelopes of gelatin over 1 cup milk and allow mixture to sit for 1 minute. Add ¼ cup of sugar and whisk everything together; heat on medium heat until it reaches a simmer. Add 1 cup of vodka and whisk again. Wait for white gelatin mixture to cool down to room temperature before layering (it can cause colors to melt and bleed otherwise), then add about 1 tablespoon plus 1 teaspoon of white mixture to each shot glass. Refrigerate for another 30 minutes. Step 4For gray layer: In a medium saucepan, sprinkle 2 envelopes gelatin over 1 cup milk and allow mixture to sit for 1 minute. Add ¼ cup sugar and whisk everything together; heat on medium until it reaches a simmer. Add 1 cup vodka and use a toothpick to add less than a drop of black food coloring and whisk again. Keep adding tiny bits of black food coloring until you achieve a gray color you like. Wait for gelatin mixture to cool down to room temperature before layering, then add about 1 tablespoon plus 2 teaspoons gray mixture to each shot glass. Refrigerate again for at least 3 hours before serving so Jell-O shots are completely set.