This idea is based on using a box of white cake mix, a box of white frosting mix, cinnamon candy hearts and some red food coloring.
"I Love You" Cake
Vintage recipe from old Betty Crocker advertising
Use Betty Crocker White Cake Mix. Tint 1/3 batter pink. Bake about 18 minutes in three 8" layer pans. Frost with Betty Crocker Fluffy White Frosting, tint some for filling. Spell out your message in cinnamon candy hearts.
Do not try this at home: