COOK bacon in large skillet on medium heat until almost crisp, stirring frequently. Remove from skillet, reserving 1 Tbsp. drippings in skillet. Drain bacon on paper towels.
ADD garlic to drippings; cook and stir 1 min. or until garlic is lightly browned. Stir in spinach, beans and bacon; cook 2 min. or just until spinach is wilted and mixture is heated through, stirring occasionally.
SEASON generously with pepper.