Preheat your oven to 350°
*If using old fashioned oats, I suggest giving them a few pulses in a food processor to break down their texture a bit. This is not absolutely necessary, but it will create a better, more homogeneous texture in your cookies
Mash 3 large bananas until smooth in a large bowl
Add 3 tablespoons of honey, a large egg and 2 teaspoons of vanilla extract and mix to combine
Add 1 1/2 cups of old fashioned oats, 1 1/2 teaspoons of ground cinnamon, 1/2 teaspoon of nutmeg and a pinch of salt and mix until mostly combined
Mix in 1/2 cup of chopped walnuts and 3/4 cup of chopped dark chocolate until evenly distributed
Spray a cookie scoop with non-stick spray and drop rounded tablespoons of cookie dough onto parchment lined baking sheets with about 2 inches in between
Bake in a 350° oven for 12-14 minutes
Store leftovers in an airtight container at room temperature for 3-4 days