Adjust oven rack to lower-middle position; heat oven to 325℉. Line a 13x9-inch baking pan with parchment paper.
Gently warm the butter and coconut oil in a medium saucepan over low heat to melt. Stir in honey and vanilla extract.
Combine the rolled oats, coconut, dried fruit, nuts, flour, cinnamon, and salt in a large bowl.
Pour the honey mixture over the oats mixture, and stir to combine thoroughly.
Press the mixture firmly into the lined baking pan using a small piece of parchment paper.
Bake at 325℉ for 30-35 minutes, until golden brown.
Cool completely, then cut into bars with a sharp knife
Recipe Notes
Storage: Leftovers can be stored in an airtight container at room temperature for up to 3 days.Mix-In OptionsAdd your choice of up to 1 ½ cups of mix-ins to the granola bar mixture. We generally choose 3 options and add ½ cup of each.