Preheat the oven to 350 degrees.
Mix baking soda and water in a small bowl and set it aside.
In a large bowl, cream together butter, peanut butter and sugars.
Add the eggs, vanilla and salt.
Mix in the baking soda and water mixture.
Add the flour, one cup at a time.
Add the quick oats and mix well.
Stir in the M&M’S® Chocolate Candies and chocolate chips.
Spread the dough on a greased cookie sheet (some people call them jelly roll pans).
Bake at 350° for about 20-25 minutes, until they are golden brown.
As soon as they come out of the oven, add the edible eyes to the bars.