Preheat oven to 350 degrees F and grease two 8-inch cake pans. I also line them with parchment rounds for easy removal of the cakes later.
Measure 1 cup unsweetened almond milk and add the tablespoon of vinegar to it. Stir slightly and set aside to curdle.
In a large bowl, add the flour, sugar, cocoa powder, baking powder, baking soda and salt. Whisk well to combine.
Now add the oil, applesauce, vanilla, peppermint and almond milk/vinegar mixture. Mix on medium speed with a hand mixer until well combined.
Lower the speed and carefully pour in the hot coffee, continuing to mix into the cake batter until combined. The batter will seem very runny at this point; that is how it should be, trust me!
Divide the batter evenly between your cake pans. Bake for 35-45 minutes, or until a toothpick inserted in the center comes out clean. After 10 minutes of cooling in the pan, carefully remove the cakes from the pans and let cool completely before frosting.