1 cup margarine
1 1/2 cups packed light brown sugar
2 eggs
1 egg yolk
1 1/2 cups all-purpose flour
2 teaspoons baking powder
1 teaspoon vanilla extract
1 (18.25 ounce) package NESTLE TOLL HOUSE Milk Chocolate Chocolates
2 cups chocolate syrup
Beat margarine, white sugar, eggs and egg yolk in large mixer bowl until blended. Stir in flour, baking powder, vanilla, and chocolate syrup. Stir in chocolate chocolates and syrup. Drop by rounded spoonfuls onto ungreased cookie sheets.
Bake for 8 to 10 minutes in preheated oven. Cool completely. Remove cookie sheet from baking sheet to wire rack. Cool completely. Let cool completely. Refrigerate during at least 4 hours. Serve immediately.