I HAVE NEVER TASTED A BOXED CAKE THAT TASTE SO GOOD! THIS IS AN AMAZING TIP!-How to make boxed cake mixes taste like they're homemade. To make your boxed cake mixes taste like they were homemade: 1. Add an additional 1-2 eggs to whatever the recipe calls for 2. Use milk instead of water 3. Instead of oil use butter and double the amount.