Step 1: Preheat the Oven - Start by preheating your oven to 350°F (175°C) to ensure even baking.
Step 2: Prepare Your Cake Pans - Grease your 9-inch round cake pans and line with parchment paper.
Step 3: Mix Dry Ingredients - In a large bowl, whisk together flour, sugar, salt, and baking soda.
Step 4: Combine Wet Ingredients - In another bowl, mix water, oil, vinegar, and vanilla extract.
Step 5: Combine Wet and Dry Ingredients - Pour wet ingredients into dry ingredients and mix gently.
Step 6: Add the Vegan Sprinkles - Fold in vegan sprinkles gently into the batter.
Step 7: Bake the Cake - Divide batter into pans and bake for 30-35 minutes.
Step 8: Cool the Cakes - Let cakes cool in pans for 10 minutes, then transfer to a cooling rack.
Step 9: Prepare the Frosting - Beat vegan butter and cream cheese, then mix in powdered sugar until creamy.
Step 10: Assemble the Cake - Place one cooled layer on a plate, frost, then add the second layer and frost again.
Step 11: Decorate! - Add more sprinkles on top, slice, serve, and enjoy!