Combine in a bowl the flour, mixing with baking powder and salt. Take a steel bowl and combine liquids, oil and sugar and then work them until the mixture is smooth and homogeneous, to drop to tape, and then incorporate the eggs and vanilla.

Combine this mixture, alternating, half amount of flour and 1/2 yogurt. Add red food coloring until you get your desired pink or red color. Pour the batter into a non-stick baking pan and bake until the edges of the cake start to turn golden brown and a toothpick comes out clean (180° C for 30 mins)

Allow to cool and then use a small heart-shaped cookie cutter to cut out the hearts.

Follow the same recipe to realize the cake and then insert in the mold 1/3 of the dough and put the heart close to each other and finalizing with the remaining mixture of the cake. Bake at 160 ° for 40-45 minutes