01 - In a large mixing bowl, blend oats, cocoa powder, chocolate chips, flaxseed, chia seeds, and salt until evenly mixed.
02 - Add peanut butter, maple syrup or honey, and vanilla extract to the dry mix. Stir thoroughly with a spatula until uniform and sticky.
03 - Scoop heaping tablespoons of mixture and roll between hands to create balls. Chill for 10 minutes if mixture is excessively sticky before rolling.
04 - Place balls on a parchment-lined tray and refrigerate for at least 30 minutes to set.
05 - Store the energy balls in an airtight container in the refrigerator for up to one week.