If using frozen spinach, thaw it in the microwave first.
Add the spinach and milk to a blender and blend until smooth.
in a medium bowl, add blended spinach, flapjack mix and oil.
mix until combined. Then heat up waffle iron.
Add 1/3 of waffle mix to the waffle iron and cook until as iron directs, about 1-2 minutes. Repeat with remaining mix.
Top with yogurt, berries, or whatever toppings you prefer!