If using old fashioned oats, blend in blender or food processor until they reach a fine powder to make flour. If using oat flour, skip this step.
Add oat flour, almond flour, chia seeds, and salt to medium bowl. Stir to combine.
Add coconut oil, peanut butter, maple syrup, and vanilla to bowl. Stir until wet ingredients are fully incorporated into dry.
Fold in chocolate chips.
Roll dough into balls, about the size of a golf ball.
Place in freezer for 30 minutes or until set. Store in freezer.