1-First, prepare the peach gelatin by following the package instructions, using 2 cups ice water for faster cooling. Pour it into your 9×13 inch glass casserole dish and refrigerate until it sets, which takes 1 to 2 hours. While that’s chilling, think about how this step ensures a solid base for the creamy middle layer.

2-Next, after the first layer has chilled for at least 45 minutes, make the cream layer by dissolving 2 packets of unflavored gelatin in 1 cup boiling water, stirring until fully dissolved. Add 1 cup cold water and mix in the sweetened condensed milk until blended, then let it sit at room temperature for no more than 45 minutes before gently pouring it over the set peach layer.

3-Adding the Peach Layer: Once the cream layer is nearly set after about 5 minutes in the fridge, arrange the sliced peaches on top to keep them in place. Return the dish to the fridge to fully chill. For the final step, prepare the second package of peach gelatin as per instructions, let it cool to room temperature, and gently pour it over the fruit layer to avoid melting the previous ones.