Gather all ingredients in a large mixing bowl. Start with your mixed nuts, dried fruits, dark chocolate chips, sunflower seeds, and coconut flakes if you choose to include them.

Measure and combine equal parts of mixed nuts and dried fruits.

Add the sunflower seeds and dark chocolate chips to the bowl.

Sprinkle in the coconut flakes if desired.

Mix thoroughly to ensure even distribution of ingredients.

Transfer the completed trail mix to an airtight container or resealable bags.