Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
Spread the miniature pretzels in a single layer on the prepared baking sheet.
Bake the pretzels in the preheated oven for about 5 minutes to slightly crisp them.
While the pretzels are baking, melt the milk chocolate chips and dark chocolate chips in a microwave-safe bowl in 30-second intervals, stirring in between, until completely smooth.
Remove the pretzels from the oven and carefully pour the melted chocolate over the pretzels, ensuring all of them are well coated.
Use a spatula to spread the chocolate evenly over the pretzels.
Sprinkle the crushed nuts, sea salt, and colorful sprinkles (if using) evenly over the chocolate-covered pretzels.
Refrigerate the bark for about 30 minutes until the chocolate hardens.
Once set, break the bark into pieces and serve.
Notes
Arrange the bark pieces on a decorative platter and drizzle some extra melted chocolate on top for an added touch of elegance. Enjoy as a delightful treat for any occasion!