[VIRTUAL] Oatmeal Cookie Bar Recipe

Bake with Miss Toni at the Camden Branch! She has decided to share her Oatmeal Cookie Bar recipe with all of you. Give it a go and show us the results!

Printable recipe sheet (PDF download): Oatmeal Cookie Bar Recipe


  • 1 cup butter melted 
  • 1 cup light brown sugar tightly packed 
  • 1/2 cup sugar
  • 2 large eggs + 1 large egg yolk
  • 1 1/2 teaspoons vanilla
  • 1 1/4 cup all-purpose flour 
  • 2 teaspoons cornstarch
  • ½ teaspoon baking powder
  • 3/4 teaspoon salt
  • 1/4-1/2 teaspoon ground cinnamon optional
  • 3 cups old fashioned rolled oats
  • 1 1/2 cups mini chocolate chips


  • Preheat oven to 350F and line a 9x9 metal baking pan with parchment paper or grease and flour the sides and bottom of the pan.*
  • Combine butter and sugars in a large bowl and stir until well-combined.
  • Add eggs and vanilla extract and stir well.
  • In a separate bowl, whisk together flour, cornstarch, baking powder, salt, and cinnamon.
  • Gradually add dry ingredients to wet until completely combined.
  • Add oats and chocolate chips and stir until well combined.
  • Spread cookie dough evenly into prepared baking pan and bake on 350F  for 35-40 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs.


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