Heat the olive oil in a skillet over a medium heat. Slice the mushrooms in half and crush the garlic. Add to the pan along with the lemon zest and stir gently. Cook for 4-5 minutes until the mushrooms are browned.
Step 2
Wash the kale and remove the tough stalks. Roughly tear the leaves into the skillet and stir to combine. Cook for a minute.
Step 3
Add the stock and simmer for 4-5 minutes until the kale and mushrooms are tender and the liquid has all been absorbed.