Preheat oven to 350°F
Add oats, buckwheat, pepitas, pecans, flax, chia, salt, and cinnamon to a large bowl and combine.
Combine the oil, peanut butter, maple syrup, vanilla, and mashed banana into a small sauce pan. Heat over medium heat until the mixture is well combined and small bubbles begin to appear.
Add your sauce mixture to your oat mixture and stir until evenly incorporated
Place granola on a parchment lined baking sheet and bake for 30-40 minutes. Stirring the mixture once halfway through. You know when this mixture is done when it is golden brown along the edges.
Place out to cool and once it is at room temperature you can mix in the chocolate chips.
Store in an air tight container for 2 weeks.