Preheat your oven to 350°F (175°C).

Blend fresh spinach with 1/4 cup of milk in a blender until smooth.

In a large mixing bowl, whisk together whole wheat flour and baking powder.

In a separate bowl, mash a ripe banana and add honey, eggs, vanilla extract, and the blended spinach mixture. Whisk until combined.

Pour the wet mixture into the dry ingredients and stir until just combined.

Line the muffin tin with paper liners and fill each cavity about 3/4 full with the batter.

Bake in the preheated oven for 20-25 minutes. Check with a toothpick for doneness.

Let the muffins cool in the tin for about 5 minutes before transferring to a wire rack. Add googly eyes candies to decorate.