Whisk flour, sugar, baking powder, and beetroot powder. In a bowl, combine egg, buttermilk, vanilla, and butter. Mix wet ingredients into the dry.
Take a piece of foil under 1 ½ feet long. Fold into quarters. Make your heart shape. Repeat until you fill the pan.
Melt butter in a pan and place the molds in. Fill each with batter and spread gently. When bubbles appear on top, remove the molds.
Flip and cook for 2 minutes. Repeat until all the batter is used. Garnish with your favorite toppings.