Heat the oven to 350°F and arrange a rack in the middle. Coat an 8-by-8-inch baking pan with butter; set aside.
Place oats, almonds, walnuts, wheat germ, coconut, and flax seed meal on a rimmed baking sheet, toss with your hands to combine, and spread in an even layer.
Bake, stirring halfway through, until walnuts are light golden brown, about 12 minutes. Transfer to a wire rack. Reduce the oven temperature to 300°F.
Place Fructevia, Steviva Blend or a dash to taste of SteviaSweet, molasses, measured butter, cinnamon, vanilla, and salt in a medium saucepan over medium-low heat and stir until mixture is smooth and combined and sweetener has dissolved.
Remove from heat and immediately add oat-nut mixture and cherries to the saucepan, stirring until combined. Transfer to the prepared baking pan, spreading the mixture evenly with a spoon.
When the mixture is cool enough to handle but is still warm, dip your hands in water to prevent sticking and press the mixture evenly and firmly into the pan. Bake until aromatic, about 10 minutes.
Place the pan on a wire rack to cool completely.
Remove the granola slab from the pan. Cut it in half to form two rectangles, then cut each rectangle widthwise into 6 bars to form 12 bars total.
Wrap each bar in plastic wrap.
Store at room temperature for up to 3 days or freeze for up to 3 weeks; let frozen bars come to room temperature before eating.