30 “Surprise-Inside” Cake & Treat Ideas

13. Easy Rainbow Cake

If you like the idea of a rainbow cake but aren’t much of a dough puncher, this awesome rainbow cake might just be up your ally. Food coloring mixed with white cake batter will give you your brilliant colors, now all you have to do is plop it in your baking pan. I love how this one also turned out with a tie die effect!

30 Surprise-Inside Cake and Treat Ideas!!

Source & Instructions: Omnomicon

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