Simple:
* The berries were bright red and edible.
* The cake was so delicious, it was almost too edible!
More descriptive:
* The chef used only the edible parts of the vegetables in his dish.
* The wild mushrooms were edible, but only after careful identification.
Figurative:
* His words were edible, but his actions were poisonous.
* The idea was edible, but it needed some refinement before it was truly palatable.
With a specific food:
* The restaurant offers a variety of edible flowers to garnish their dishes.
* The recipe calls for edible seaweed to add a unique flavor.
Remember, "edible" means something can be eaten safely.