Party Nibbles: Mushroom Nests

• 180 oven
• 30 squares total
• 4 phyllo pastry sheets
• 4 layer nonstick (square into)
• 3 green onions
• 1 garlic clove
• 1 sheet of phyllo pastry on work surface
• 1 tart tin
• 160 gr mushrooms
• 40 gr butter