Oatmeal Cookie Bars
How to make hearty Oatmeal Cookie Bars!Recipe includes video at the bottom of the post!
- Prep time
- 15 min
- Cook time
- 40 min
- Yield
- 16 servings
- Difficulty
- MEDIUM
Ingredients
Quantities are shown as originally provided.
- 1 cup butter (melted )
- 1 cup light brown sugar (tightly packed )
- ½ cup sugar
- 2 large eggs + 1 large egg yolk
- 1 ½ teaspoons vanilla extract
- 1 ¼ cup all-purpose flour
- 2 teaspoons cornstarch (cornflour in UK)
- ½ teaspoon baking powder
- ¾ teaspoon salt
- ¼-½ teaspoon ground cinnamon (optional)
- 3 cups old fashioned rolled oats
- 1 ½ cups chocolate chips (optional, I did a mix of semisweet chocolate chips, milk chocolate chips, and butterscotch chips)
Instructions
- 1
Preheat oven to 350F (175C) and line a 9x9 metal baking pan with parchment paper or grease and flour the sides and bottom of the pan.*
- 2
Combine butter and sugars in a large bowl and stir until well-combined.
- 3
Add eggs and vanilla extract and stir well.
- 4
In a separate bowl, whisk together flour, cornstarch, baking powder, salt, and cinnamon (if using).
- 5
Gradually add dry ingredients to wet until completely combined.
- 6
Add oats and chocolate chips and stir until well combined.
- 7
Spread cookie dough evenly into prepared baking pan and bake on 350F (175C) for 35-40 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs.