Preheat oven to 350°. Combine flour, baking powder, and salt in a bowl and set aside.
Combine egg whites with ¾ cup of sugar and mix with electric mixture until stiff peaks are formed, then set aside.
Combine egg yolks and remaining ¼ of sugar and mix with a whisk until it turns light brown in color. Mix in vanilla and milk, then set aside.
Add egg yolk mixture to dry mixture and mix until well combined. Fold egg white mixture into the mixture, being careful not to overmix.
Butter the baking dish and pour the mixture into baking dish and bake for 25 in a glass baking dish, or 30 minutes in a ceramic baking dish. Remove from oven and allow to cool for an hour.
Remove cake from dish and clean dish before flipping the cake and and returning it to dish. Poke several holes all around the cake (including the edges) using a fork.
Combine condensed milk, evaporated milk, and coconut milk in a cup and slowly pour entire mixture onto the cake. Set aside for at least 2 hours, or preferably overnight.
In a bowl, combine heavy whipping cream and sugar, then mix with an electric hand mixture until thick peaks form.
Top the cake with layer of the whipped cream and top strawberries. and a sprinkle of cinnamon. Buen provecho!