Line a 15×11-inch rimmed cookie sheet with parchment paper or a silicone baking mat.
Using a double broiler, melt chocolate chips
Spread the melted chocolate on the bottom of the prepare baking pan.
Sprinkle pretzels, M&M’s, Reese’s Pieces and mini marshmallows.
Melt white chocolate and drizzle over the candy and pretzels.
Refrigerate for 30-60 minutes, or until fully set.
Break into pieces.