Green color - 8 drops of green color OR spinach mixture (see below)
Spinach Mixture – using 1/2 cup of spinach and 1 tbsp of water, blend in a blender or Bullet, until you get a gorgeous green color and add to batter. Spinach offers a natural food color and it’s incredibly healthy for you. Natural options are always my first choice. Younger spinach will give you a more vibrant green, whereas the larger leaf spinach will produce a darker green color.
In a large saucepan over low heat, melt margarine. Add marshmallows; stir until melted and well blended. Remove from heat.
Stir in vanilla. Add cereal, stirring until coated.
Using lightly buttered spatula, press into buttered 3.5L (13 x 9") pan. Cool. Cut into bars.