Spinach Deviled Eggs

12 hard-boiled eggs

¼ cup Olive Oil mayonnaise

2 tablespoons vinegar

½ teaspoon pepper

¼ teaspoon salt

½ cup frozen chopped spinach, cook in microwave following package instructions and squeeze dry

Slice the eggs in half lengthwise; remove yolks and set whites aside. In a small bowl, mash yolks with a fork. Gradually stir in the mayonnaise, vinegar, pepper and salt. Add spinach and mix well. Spoon into the egg whites.