Add almonds, peanuts, cereal and salt to a large bowl. Stir until well mixed. Pour maple syrup over this mixture. Fold until well incorporated.
Pour this mixture into the prepared baking pan. Using a rubber spatula, smooth into a tightly packed, even layer. Bake for 30-40 minutes (mine took 35 mins). Bars must bake thoroughly, or they won’t hold together when cooled.
Allow to cool for 1 hour, or until completely cooled. Use a heatproof spatula to gently lift and loosen bars from parchment. Slice into 12 bars (6 rows by 2 columns). Enjoy! Storing instructions below.
Storing Instructions: Store in an airtight container at room temperature for up 1-3 weeks. Store in the refrigerator for up to 1 month.Nutrition Info is an estimate based on 12 total bars.