Cook bacon until very crisp. Drain thoroughly on paper towels. Chop fine.
Cover a sheet pan with foil, wax paper or parchment.
Pour chocolate chips in a microwave safe bowl. Microwave for 30 seconds, stir. Continue to microwave at 15-second intervals, stiring after each, until the chocolate is melted and smooth. Stir in 3/4 of the chopped bacon.
Scrape the chocolate onto the sheet pan, spreading to about 1/4" thick. Sprinkle the rest of the bacon evenly over the top. Allow to cool until chocolate hardens. Break into irregular pieces and serve. Store leftovers in an airtight container. Refrigerate for longer storage.