Ingredients
Serves: About 15 large cookies
Prep Time: 15 minutes
Total Time: 30 minutes
2 cups all purpose flour
1 1/4 teaspoons baking soda
1/4 teaspoon salt
3/4 cup (1 1/2 sticks) unsalted butter, room temperature
2/3 cup granulated white sugar
2/3 cup firmly packed light brown sugar
1 large egg, plus 1 yolk
1 1/2 teaspoons pure vanilla extract
1 cup M&M's candies
Preparation
