Photo was shared with me by my sister, Carol Arroyo, and her website The Baking Pan.

These cookies are a very chewy and delicious no-bake cookies - just mix and eat! When my daughter, Nancy Hartman, was young, this was her favorite cookie to make.

More of Linda's favorite Cookie Recipes and Secrets To Making Perfect Cookies.

Also learn How To Have A Successful Holiday Cookie Exchange or Cookie Swap.

Line a baking pans with parchment paper, wax paper, or non-stick baking pad.

In a large heavy saucepan over low heat, add sugar, butter, milk or water, and cocoa powder; stir until melted. Increase heat to medium-high and bring just to a boil, stirring constantly so the mixture does not burn. Remove from heat.

Add peanut butter, oats, and vanilla; stir until well mixed. While mixture is still warm, drop dough by rounded tablespoonfuls onto the prepared baking pans. Let sit until cool and the chocolate is hardened.

Makes approximately 3 dozen cookies.