You are here: Home » Recipes » Walnut Banana Cookies Walnut Banana Cookies Recipe by California Walnut Board Yield 30 pieces Prep 15 mins Cook 15 mins California Walnut Board PrintEmail Ingredients 12 tablespoons unsalted butter, softened2/3 cup sugar1/3 cup firmly packed brown sugar1 large egg1/2 teaspoon vanilla extract1 large banana3/4 cup instant (1 minute) oats1 3/4 cups all-purpose flour1/2 teaspoon salt1 teaspoon baking powder1 1/4 cups California walnuts, toasted and chopped Instructions Preheat the oven to 350F. Beat the butter and sugars together until smooth. Mix in the egg and vanilla extract. Finely chop the banana (there will be about 3/4 cup) and stir it into the sugar mixture. Stir in the oats, flour, salt, baking powder and walnuts. Place the cookies about 1 1/2 inches apart on parchment lined cookie sheets. Bake until light brown, about 15 minutes. Recipe by Cheg Emily Luchetti.