Line a baking sheet pan with parchment paper and set aside for later use.
Cook the microwave popcorn according to package directions. Allow to cool slightly, then carefully remove, throwing away any unpopped kernels.
1 bag microwave white popcorn
Using a large bowl, combine the popped corn, pretzels and M&Ms.
2 cups pretzels, 1 cup pastel colored M&Ms candy
Place 4 vanilla flavored candy coating bars in a microwave-safe bowl. Microwave the bars for 30-second intervals, stirring after each heating cycle, until melted.
4 vanilla flavored candy coating bars
Pour the melted candy coating over the popcorn mixture and stir gently until it's evenly coated.
Quickly transfer the candy mixture to the parchment-lined sheet pan and add the colored sprinkles before the chocolate hardens.
1/4 cup spring themed sprinkles
Allow the snack mix to set up for 20 minutes.
Break into smaller pieces and store in a tightly sealed container on the counter.
Notes
The mix will keep for about 5 days on the counter.
Change the candies and sprinkle colors to make this festive mix for other holidays and celebrations.