01 - In a large mixing bowl, stir together oats, chia seeds, ground flaxseed, shredded coconut, mini chocolate chips, and cocoa powder until evenly mixed.
02 - Add peanut butter, honey or maple syrup, and vanilla extract to dry mixture; blend thoroughly with a spatula or clean hands until sticky and uniform.
03 - If desired, fold in sea salt and chopped peanuts to enhance flavor and texture.
04 - Scoop approximately 1 tablespoon of mixture and roll into a ball by hand; continue until about 16 balls are formed.
05 - Arrange balls on a parchment-lined tray and refrigerate for at least 30 minutes to firm up.
06 - Store energy balls in an airtight container in the refrigerator for up to one week or freeze for up to three months.