Want a quick cookie recipe? These are so simple, delicious, and eye catching. In a mixing bowl, combine the following ingredients, except the candies. Press an M&M in each cookie prior to baking. 1 1/2 cups (3 sticks) butter, softened 1 cup sugar 1 egg 1 teaspoon vanilla 3 1/2 cups all purpose flour M&Ms candies for centers Do not refrigerate to chill. Fill cookie press with dough, then press out cookies onto a baking sheet. Bake at 375 degrees for 10 to 12 minutes. Makes about 7 dozen. Happy birthday to my sweet sister-in-law, Brenda, who LOVES shortbread cookies and today is her 40th birthday!