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oatmeal cookie slices on plate
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Single Serving Oatmeal Cookie

This single serving oatmeal cookie has wonderfully crunchy edges and a gooey center, making it the perfect cookie. It's wonderfully spiced with cinnamon, and a great cookie to add raisins to, if you like them.
Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 1 cookie

Equipment

  • Measuring cups, spoons
  • Large mixing bowl
  • Hand mixer
  • rubber spatula
  • ¼ baking sheet small one
  • Baking Mat or Parchment Paper

Ingredients

  • ½ Tablespoon butter softened
  • 1 Tablespoons sugar
  • 1 Tablespoon brown sugar
  • 1 egg yolk
  • ⅛-1/4 teaspoon vanilla extract either works
  • 3 Tablespoons all purpose flour
  • teaspoon salt
  • teaspoon baking soda
  • heaping teaspoon ground cinnamon
  • 2 Tablespoons oats rolled/old fashioned
  • 1 Tablespoon raisins optional

Instructions

  • Preheat oven to 325 degrees F.
  • Cream together ½ Tablespoon softened butter, 1 Tablespoon sugar, 1 Tablespoon brown sugar.
    Since it's such a small amount of butter and sugar, it looks more pebbly than creamed and smooth. I recommend pressing it together a few times with a rubber spatula while mixing. Once it looks well incorporated after pressing it together, you can add the next ingredients.
  • Add in egg yolk, ⅛ (or ¼) teaspoon vanilla extract. Mix until well combined.
  • Add 3 Tablespoons all purpose flour, ⅛ teaspoon salt, ⅛ teaspoon baking soda, ⅛ heaping teaspoon cinnamon. Mix until combined. Add more flour if it's very sticky.
  • Add 2 Tablespoons oats, optional 1 Tablespoon raisins. Stir in with rubber spatula.
  • Form into a ball, it may be a bit sticky, but as long as it forms into a ball, you're ok.
  • Place cookie dough ball in the center of your baking sheet with mat/parchment paper. Don't press down on cookie dough.
  • Bake in 325 degree F oven for 15-20 minutes, or until desired doneness.

Video

Notes

  • This recipe is easy to double or triple, etc for a few more cookies. 
  • The butter and sugar mixture will be pebbly when you cream it because there just isn't enough volume to fill up the bowl and mix well. Press it together a few times in between mixing. It's done once they're combined well and color has lightened.
  • You can probably swap out ⅓- ½ of the all purpose flour for whole wheat flour for a nuttier flavor.
  • You can bake it in an air fryer too, just use foil or a baking mat, cook at 290 degrees F for 12-14 minutes. I prefer the texture of an oven baked cookie, but this works too.
  • Refrigerate the dough for 15-30 minutes for a thicker cookie.
  • The cookie will spread when baked, I recommend pressing in the edges with a spoon or rubber spatula after it comes out of the oven. See video for how to do this.
  • Optional add-ins: chocolate chips, butterscotch chips, chopped nuts, pumpkin pie spice (instead of cinnamon), etc.