How to Make It
Combine first 6 ingredients in a small microwave-safe bowl, stirring with a whisk; microwave at HIGH 1 minute or until hot. Place beans in a 2-cup glass measure; microwave at HIGH 1 minute or until hot.
Combine onions, bell pepper, bacon, and spinach in a large bowl. Add syrup mixture and beans; toss well to combine. Serve immediately.