Heat oven to 350°F. Line cookie sheets with cooking parchment paper or spray with cooking spray.
Spoon and shape 14 heaping tablespoons dough into balls. Roll balls in pretzels; place 3 inches apart on ungreased cookie sheets.
Bake 18 to 20 minutes or until golden brown. Cool completely before removing to cooling racks.
In small bowl, microwave milk chocolate uncovered on High, stirring every 30 seconds, until melted and smooth. Drizzle melted chocolate over cookies; let stand until set. Store in airtight container.