Heat the milk, mix lemon juice into it and let it sit for 20 minutes. Set the oven to 170 degrees. Put paper inside the muffin molds.
Sift the flour and baking soda into a bowl. Whisk the sugar, salt, butter and vanilla with the mixer until it reaches a creamy consistency. Add the egg and continue whisking.
Add the cocoa and food coloring to the dough and mix until the color is completely dispersed. Put3/4 of flour and milk. Put the remaining flour and mix.
Spread the dough into molds with a spoon and bake in the oven for 20-25 minutes. Take it on the wire shelf and let it cool.
Whisk the powdered whipped cream with milk and roll up the cakes. Take the remaining whipped cream in a bowl, color it with red food coloring and fill it into the cone made of wax paper. Draw an X and O shape on the cakes and serve.