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Oatmeal Cookie Bars

Delightful chewy oatmeal cookie bars packed with rich butter and sweet chocolate chips, perfect for any time of day.
Prep Time 15 minutes
Cook Time 24 minutes
Total Time 39 minutes
Course Dessert, Snack
Cuisine American
Servings 16 bars
Calories 150 kcal

Ingredients
  

Dry Ingredients

  • 1 cup all-purpose flour
  • 1.5 cups rolled oats Provides the chewy texture
  • 1 teaspoon baking powder For leavening
  • 0.5 teaspoon ground cinnamon For flavor
  • 0.25 teaspoon ground nutmeg For depth of flavor
  • 0.33 teaspoon salt

Wet Ingredients

  • 0.5 cup unsalted butter, melted but not hot Ensure butter is cool before mixing
  • 0.75 cup granulated sugar
  • 1 large egg, room temperature Helps with mixing
  • 1 teaspoon pure vanilla extract Adds flavor

Mix-Ins

  • 0.5 cup chocolate chips or your choice of add-ins (e.g., walnuts, raisins) Customize as desired
  • 1-2 tablespoons optional add-ins for topping Enhance visual appeal and flavor

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C).
  • Line an 8-inch square baking pan with parchment paper.
  • In a medium bowl, combine all dry ingredients: flour, rolled oats, baking powder, cinnamon, nutmeg, and salt. Stir until well mixed and set aside.

Mixing

  • In a large bowl, whisk together the wet ingredients: melted butter, sugar, egg, and vanilla extract until smooth.
  • Gradually add the dry mixture to the wet mixture while whisking continuously. Switch to a rubber spatula as the mixtures begin to combine.
  • Fold in the chocolate chips or chosen add-ins.

Baking

  • Transfer the batter to the prepared baking pan and spread evenly.
  • Press a few extra add-ins into the top if desired.
  • Bake for 18-24 minutes until lightly golden but not overcooked.
  • Allow cooling in the pan for about 30 minutes, then transfer to a cooling rack for an additional 30-45 minutes before slicing into bars.

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Notes

For best results, measure ingredients accurately and avoid overmixing. Experiment with different add-ins for unique flavors.
Keyword Dessert Bars, Easy Cookies, Homemade Treats, Oatmeal Cookie Bars