In a bowl, mix flour, sugar, baking powder, baking soda, and salt.
In another bowl, whisk buttermilk, egg, melted butter, and vanilla.
Combine wet and dry ingredients, mixing gently.
Heat a griddle, grease it lightly, and pour small rounds of batter.
Cook for 2-3 minutes, flip, and cook another 1-2 minutes.
Use bunny-shaped cutters to cut out pancakes once cooled.
Serve with syrup, berries, or powdered sugar.