In a medium saucepan add unwrapped caramels. Set aside.
In a large bowl using an electric mixer, beat butter on medium speed, about 30 seconds. Add brown sugar; beat until combined. Add eggs, vanilla, and baking soda; mix until combined.
Add flour; mix until combined. Add oats; mix until combined.
On an ungreased 15x10x1" baking pan, press ⅔ (about 3 and ½ cups) of the oat mixture into the bottom of the pan. Sprinkle with chocolate chips and chopped walnuts. Set aside.
Preheat oven to 350F degrees.
In the medium saucepan with the unwrapped caramels, add milk. Place saucepan over low-medium heat until caramels are melted, stir occasionally.
Drizzle melted caramel mixture over chocolate and nuts. Drop remaining oat mixture by teaspoons over the top.
Bake for 22-25 minutes or until top is light golden brown. Cool completely on wire rack. Cut into bars. Eat & Enjoy!
Notes
Oatmeal Caramel Bars should be stored in an airtight container, separating layers by waxed paper; will keep 3+ days or freeze up to 3 months.Recipe from Better Homes and Gardens Biggest Book of Cookies.