Put an oven rack in the middle position of the oven. Heat the oven to 350℉. Grease or line with paper baking cups a 24-cup mini muffin tin.
Grind the flaxseeds until fine in a small food processor, blender, or spice grinder. Combine the ground flaxseeds and water in a large bowl. Let sit 5 minutes.
¼ cup whole flaxseeds, ½ cup water
In a medium bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and salt.
1 ¼ cups whole wheat flour, 3 TBS cocoa powder, 2 tsp baking powder, ½ tsp baking soda, ½ tsp salt
In the large bowl with the soaked flaxseeds in it, add the melted coconut oil, room temp almond milk, sugar, apple cider vinegar, and vanilla. Whisk to combine.
⅓ cup coconut oil, ½ cup almond milk, ¼ cup coconut sugar, 1 TBS apple cider vinegar, 2 tsp vanilla
Pour the flour mixture in with the flaxseed mixture. Mix until combined.
Add the chocolate chips and mix until evenly distributed.
½ cup mini chocolate chips
Divide the batter among the cups of the mini muffin tin. Put in the heated oven and bake for 15 minutes.
Let cool 10 minutes. Enjoy!