Prepare the Pan: Line an 8x8 inch baking dish with parchment paper, leaving some overhang on the sides for easy removal later.

Combine Dry Ingredients: In a large mixing bowl, combine the rolled oats, chopped nuts, mixed seeds, dried fruit, dark chocolate chips (if using), shredded coconut, and a pinch of salt. Mix well until all the dry ingredients are evenly distributed.

Mix Wet Ingredients: In a separate bowl, combine the nut butter, honey or maple syrup, and vanilla extract. Stir until smooth and well blended.

Combine Wet and Dry Mixtures: Pour the wet mixture over the dry ingredients. Using a spatula or wooden spoon, mix everything together until all the dry ingredients are thoroughly coated with the wet mixture.

Press into the Pan: Transfer the mixture into the prepared baking dish. Press it down firmly and evenly with your hands or the back of a spatula to ensure the bars hold together well.

Chill the Mixture: Place the baking dish in the refrigerator for at least 1-2 hours, or until the mixture is firm enough to cut into bars.

Cut into Bars: Once chilled, lift the mixture out of the pan using the overhanging parchment paper. Place it on a cutting board and cut it into bars of your desired size.

Store: Store the granola bars in an airtight container in the refrigerator for up to a week or in the freezer for longer storage.