So EASY! It's made in the microwave.
Combine popcorn, pretzels, M&Ms, Valentine's hearts in large bowl.
Place almond bark in microwavable safe bowl and melt in microwave until melted. Stir every minute.
Mix melted almond bark with dry popcorn mix with a wooden spoon.
Spread snack mix out onto wax paper to cool and set for about 30 minutes.