• Combine flour, baking soda and salt in medium bowl.
• In small bowl or cup, mix together milk and juice of 2 limes.
• Beat butter and white sugar together in a large mixing bowl with an electric mixer for about 3 minutes or until it's evenly distributed.
• Add egg to butter and sugar mixture and beat until blended.
• Gradually add flour mixture and milk mixture alternately and mix until smooth.
• Spoon batter in 1/4 cup size servings onto a baking sheet lined with parchment paper. Makes 6 giant cookies.
• Bake on middle rack at 350 degrees for about 15-17 minutes.
• Place on a cooling rack, and allow to cool completely before icing.

Icing

• Combine powdered sugar, corn syrup, water, and vanilla in small bowl and mix until smooth.
• Divide in half.
• Add lime juice and green food coloring to half of icing.
• Frost cookies using half green, half white.
• Allow frosting to set before storing; store in airtight container between layers of wax paper.