PREHEAT oven to 350°F. Mix cream cheese and onion in medium bowl until well blended. Add spinach, bacon bits, flour and shredded cheese; mix well. Stir in eggs until well blended.
SPOON evenly into 24 well greased and floured miniature muffin pan cups.
BAKE 14 to 16 min. or until centres are set and tops are golden brown. Serve warm or chilled.