Thick, Chewy Granola Bars

Ingredients

• 1 2/3 cups quick rolled oats
• 1/2 to 3/4 cup granulated sugar (use more for a sweetness akin to most purchased bars; use less for a mildly sweet bar)
• 1/3 cup oat flour (or 1/3 cup oats, processed till finely ground in a food processor or blender)
• 1/2 teaspoon salt
• 1/4 teaspoon ground cinnamon
• 2 to 3 cups dried fruits and nuts (total of 10 to 15 ounces)
• 1/3 cup peanut butter or another nut butter (optional)
• 1 teaspoon vanilla extract (optional, namely because i was not convinced that the flavor came through)
• 6 tablespoons melted butter
• 1/4 cup honey, maple syrup or corn syrup
• 2 tablespoons light corn syrup
• 1 tablespoon water