Mushroom Butterflies

• 2 lemon zest (finely grated)
• 325 gr butterfly
• 200 gr mushrooms (white)
• 65 gr coarsely shallots (chopped)
• 9 gr coarsely flat-leaf -parsley (chopped)
• 9 gr parsley
• 6 gr garlic (finely chopped)
• 1 gr coarsely falt-leaf (chopped)
• some pepper