In a food processor, grind oats, coconut and chia seeds (if using), until finely ground.
Add peanut butter, honey, almond meal, salt, vanilla, butter and milk. Process again until it's all mixed together well.
Stir through choc chips
Roll tablespoons of the dough into balls, if rolling proves difficult, press into balls using the palm of your hand.
Store in refrigerator. Can be frozen.
Notes
Time Saving Tip: Alternatively you can line a shallow square or rectangular baking tin with baking paper and press the dough into the tin, pop in freezer to set, then cut into bars.