Banana Walnut Chocolate Chip Cookies

Bahan-bahan (36 porsi)

• 1 cup all purpose flour
• 1/2 cup whole wheat flour
• 1 teaspoon kosher salt
• 1/2 teaspoon baking soda
• 3/4 cup (1½ sticks) unsalted butter, (at room temperature)
• 1/2 cup granulated white sugar
• 1/2 cup packed brown sugar
• 1 large egg
• 1½ teaspoons vanilla extract
• 1/2 cup mashed ripe banana
• 1 cup old fashioned rolled oats
• 8 ounces semisweet chocolate chips
• 1/2 cup walnuts, (toasted and chopped)