Squashed  Frogs  For  Halloween

You need:
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   1 Stick         margarine
   40  Large       marshmallows (10 oz. bag)
   5 Cups          corn flakes cereal
   1/2  Teaspoon   vanilla (optional)
   2   Teaspoons   green food coloring
   A package of:   M&Ms. Plain Chocolate Candy

Preparation : 
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-Melt margarine in large saucepan.  
-Add marshmallows and cook over low heat, stirring constantly until melted and mixture is syrupy.  
-Remove from heat.
-Add vanilla and food color and Mix.  
-Add corn flakes and mix until well coated and bright green.