Roughly chop the onion, finely chop the garlic. Divide the broccoli into florets, thinly slice the carrots and mushrooms.
Heat 2 tablespoons of oil in a saucepan. Fry the onion in it, add the garlic and 1 teaspoon of curry and fry briefly. Add broccoli and carrots, lightly salt and fry briefly. Add the peas. Pour coconut milk and broth on top, season with 1/2 teaspoon of grated lemon zest, cover and cook gently for 8 minutes. Add the mushrooms and cook for 4 minutes. Stir the crème fraîche with 1 scoop of the cooking liquid until smooth and mix with the vegetables. Season the vegetables with salt, pepper, 1 tablespoon lemon juice and 1 teaspoon curry and bring to the boil briefly.