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–+ servings
Thin and crispy oatmeal cookies.
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5 from 3 votes

Thin Crispy Oatmeal Cookies

These thin and crispy oatmeal cookies are light, crunchy, and full of warm oatmeal flavor. They're refined-sugar free, and bake into golden, crunchy cookies with perfectly crisp edges.
Prep Time10 minutes
Cook Time15 minutes
Total Time25 minutes
Course: Breakfast, Dessert, Snack
Cuisine: American
Servings: 14 cookies
Author: Lily Payen

Ingredients

Dry Ingredients

  • ¾ cup old fashioned rolled oats
  • ¾ cup oat flour or blend extra rolled oats into a flour
  • ½ tsp ground cinnamon
  • ¼ tsp baking soda
  • ⅛ tsp salt

Wet Ingredients

US Customary - Metric

Instructions

  • Preheat oven to 350°F (180°C) and line a large baking sheet with parchment paper.
  • In a medium bowl, whisk together the maple syrup, oil, egg, and vanilla until smooth and well combined.
  • Add the oat flour, rolled oats, cinnamon, baking soda, and salt to the bowl. Stir until the dough is fully combined.
  • Scoop tablespoon-sized portions of dough onto the prepared baking sheet at least 1 inch apart.
  • Use your fingers, the back of a spoon, a spatula, or parchment paper to flatten each cookie as thin as possible. This step is very important because the thinner the cookies, the crispier the texture will be.
  • Bake for 13–15 minutes, or until the edges are deep golden brown. Allow the cookies to cool completely on the baking sheet. They will continue to crisp up as they cool.

Notes

  • Flatten the dough very thinly. The thinner the cookies are before baking, the crispier they’ll be. Thick cookies will bake up soft instead of crunchy.
  • Let cookies cool completely on the baking sheet. They firm up and crisp as they cool. Moving them too soon will make them bend or break.
  • Stick with small cookies for the best crisp. Tablespoon-sized portions bake through more easily and become crisp all the way to the center.
  • If the cookies are still soft after cooling, bake a bit longer. Pop them back in the oven for 1–2 minutes to deepen the color and crisp them up.

Nutrition

Calories: 88kcal | Carbohydrates: 11g | Protein: 2g | Fat: 4g | Saturated Fat: 3g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 1g | Trans Fat: 0.001g | Cholesterol: 12mg | Sodium: 47mg | Potassium: 58mg | Fiber: 1g | Sugar: 4g | Vitamin A: 17IU | Vitamin C: 0.003mg | Calcium: 15mg | Iron: 1mg

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