I still pack a banana on every summer ride. Potassium pill to counter your sweat (honestly, you can feel it work in your brain).
My brain thinks in terms of eating seasonal food - nuts are good for the fall - whether you think we evolved together or the Almighty provides us with what we need.
After 35 mi in the saddle, there is nothing like a fresh peach at a roadside vendor.

And they call these peanut butter wrenches for a reason.