Try easy SPINACH PIE IN PUFF PASTRY (SPANAKOPITA) Recipe. Step-by-Step. is perfect for busy families. Comes together quickly with a few staple ingredients! INGREDIENTS3 tablespoons unsalted butter 2 medium onions, chopped 3 garlic cloves, chopped 2 (10 ounce) boxes frozen chopped spinach, thawed & squeezed dry 1 cup...