M&M Chocolate Chip Party Cookies

Today is National M&M Day! So in honor of the day, here's a Retro Ad & Recipe for "Party Cookies"... This ad is from the 50s and was reworked as another ad calling the same cookies "Color Cookies" Why? Not sure, except the second ad included Crisco as the shortening and showed a can of Crisco. I use butter in my cookies, so my own M&M recipe follows. Be sure to scroll down. I add chocolate chips, as well as M&Ms- and you can always add walnuts, too!

M&M CHOCOLATE CHIP PARTY COOKIES

Ingredients
2 1/2 cups all-purpose flour
1/2 teaspoons baking soda
12 tablespoons salted butter, melted and cooled
1/2 tsp salt
1 cup brown sugar
1/2 cup granulated sugar
2 large eggs at room temperature
2 tsp Madagascar vanilla extract
1 cup M&Ms  (or 1/2 cup M&Ms plus 1/2 cup chocolate chips)

Directions
Preheat oven to 325 degrees F.
Melt and cool butter. Set aside.
In a bowl, mix flour and baking soda together.
In separate bowl, whisk together butter and sugars. Add egg, egg yolk, vanilla. Mix together.
Slowly add flour and baking soda mixture to bowl until dough forms.
Fold in M&Ms (and chocolate chips if using).
Put dough in fridge for 10 minutes.
Take dough out.
Form cookies into balls or drop by heaping tablespoons on prepared cookie sheet (either silpat or parchment lined). Flatten slightly and/or top with more M&Ms.
Leave space between each cookie.
Bake 9-12 minutes or until golden brown.
Cool cookies on rack.