Prepare each jello box according instructions. Prepare it day before or 4 hours before.

Prepare the unflavored gelatine.
In a bowl pour 1 cup of cold water and Use the 4 envelopes. Mix very well until softened and dissolved. Wait about 10 minutes.

Cut the jello in cubes

In the blender mix all the milks together. add 1 tsp vanilla. Add the unflavored jello and mix very well

Use no-stick cooking spray on your baking pan. Start adding first milk layer and then jello layer. Repeat the same steps until done.

Keep in refrigerator about 8 hours to get the consistency.

Enjoy it.
"Optional tip"
blend strawberries with 1 tsp of water and 1/2 tsp of sugar to make strawberry🍓 syrup and pour it on top of the jello portions to decorate.