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banana oatmeal cookies on a ceramic plate

Banana Oatmeal Cookies

These soft banana oatmeal cookies turn ripe bananas, rolled oats, and cinnamon into an easy one-bowl bake with lightly crisp edges and a tender center.
Servings: 18

Adjust the serving amount to scale the ingredient list. Written quantities in the steps refer to the original recipe; adjust them in the same proportion. Timing may vary with batch size.

Prep: 10 minutes Total: 22 minutes

Ingredients
  

Ingredients

  • 3 ripe bananas mashed, about 1 1/4 cups
  • 1 1/2 cups old-fashioned rolled oats
  • 1/2 cup all-purpose flour
  • 1/2 cup brown sugar packed
  • 1/4 cup unsalted butter melted and cooled
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon fine salt

Instructions
 

Instructions

  • Heat the oven to 350°F and line baking sheets with parchment.
  • Mash the bananas in a large bowl. Whisk in the melted butter, brown sugar, egg, and vanilla until smooth.
  • Stir in the oats, flour, cinnamon, baking soda, and salt until no dry patches remain. Let the mixture stand for 5 minutes so the oats hydrate.
  • Drop rounded tablespoons of dough onto the prepared sheets, leaving space between cookies, and gently flatten the tops.
  • Bake for 10 to 12 minutes, until the edges are set and lightly golden. Cool on the sheet for 5 minutes, then move the cookies to a rack.