In a food processor, add the pitted Medjool dates and pulse them a few times until they form a sticky paste or tiny pieces of dates.
Add rolled oats, flaxseed meal, peanut butter, maple syrup, chia seeds, debittered brewer yeast, and almond milk.
Process on medium-high speed until everything comes together into a sticky dough that can be rolled into soft balls. If too wet, add 1-2 teaspoons of flaxseed meal or more almond milk if too dry.
Transfer the dough to a bowl, add the optional ingredients, and use a spatula to stir and incorporate.
Chill dough for 15 minutes if you have time. This makes it easier to roll into balls or roll now.
Slight oil hands to shape balls. Place each lactation ball on a plate covered with parchment paper.
Store in the fridge in an airtight container for up to 1 week or freeze for up to 1 month and thaw in the fridge the day before.