Step 1

Preheat the oven to 300 degrees F (150 degrees C).

Step 2

Line a baking sheet with parchment paper.

Step 3

Mix oats, pecans, walnuts, flax seed, and cinnamon in a large bowl.

Step 4

Stir canola oil, maple syrup, maple flavoring, and salt together in a small bowl; pour over the oat mixture and stir to coat evenly.

Step 5

Spread the resulting mixture evenly onto the prepared baking sheet.

Step 6

Bake in the preheated oven until lightly browned, about 40 minutes.

Step 7

Set granola aside to cool completely before breaking into chunks. Store in an air-tight container.