<h2>Ingredients</h2> <ul> <li>2 cups flour</li> <li>1 tablespoon cornstarch</li> <li>3/4 teaspoon salt</li> <li>1 teaspoon baking soda</li> <li>3/4 cup brown sugar</li> <li>1 1/2 sticks butter</li> <li>1/2 cup sugar</li> <li>1 egg</li> <li>1 teaspoon vanilla</li> <li>12 oz M&M's</li> </ul> <h2>Directions</h2> <ol> <li>Preheat oven to 350° F.</li> </ol>