The Best Vegan Chocolate Cake

Name: The Best Vegan Chocolate Cake
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 2 1/4 cups All Purpose Flour ((281g)); 3/4 cup Cocoa Powder ((63g) Unsweetened); 1 1/2 cups White Granulated Sugar ((300g)); 1 1/2 teaspoons Baking Soda; 3/4 teaspoon Salt; 1 1/2 cups Vegan Buttermilk; 3 teaspoons Vanilla Extract; 1/2 cup Canola Oil (or Vegetable Oil); 1 1/2 Tablespoons Distilled White Vinegar (or Apple Cider Vinegar); 5 Tablespoons Applesauce; 1 1/4 cups Vegan Butter ((284g)); 3 1/2 cups Powdered Sugar ((420g)); 1/4 teaspoon Salt; 1 teaspoon Vanilla Extract; 1-2 Tablespoons Soy Milk (or other non-dairy milk*)