Glass Block Jell-o Squares

Caralie saw this on Our Best Bites and insisted that we make it. I was hesitant because one of the ingredients seemed questionable to me and I was worried that they would be super sweet. I was pleasantly surprised! These are really good and are not icky-sweet at all. And they are super fun for kids (and adults too). Give them ample time to firm up, though.

GLASS BLOCK JELL-O SQUARES
from Our Best Bites

4 (3 oz) boxes assorted Jell-o flavors
2 packets unflavored gelatin (like Knox)
1 (14 oz) can sweetened condensed milk

Spray 4 small food storage containers (like Rubbermaid, Tupperware, or Ziploc) with cooking spray and set aside.

Bring 5+ cups of water to a boil. Combine 1 cup boiling water with one package of Jell-o until dissolved and pour into one of the containers. Repeat with remaining packages of Jell-o:

image via Our Best Bites

Refrigerate at least 4 hours, or preferably overnight.

When the Jell-o has set, bring another 1 1/2 cups of water to a boil. While this water is heating, sprinkle the 2 packets of unflavored gelatin over 1/2 cup of cold water in a large bowl. Allow to stand about 4 minutes. Pour boiling water over dissolved gelatin and stir to combine. Add sweetened condensed milk and mix well. Allow to come to room temperature.

Lightly spray a 9x13 pan with cooking spray. Cut the flavored Jell-o into small cubes and gently toss to combine in pan:

image via Our Best Bites

Pour the cooled milk mixture over the cubes and, if necessary, rearrange some of the colored Jell-o to make sure it is evenly distributed and not sticking out. Place pan in refrigerator and chill overnight. Cut into squares, rectangles, or various shapes with cookie cutters and serve.