Greek Spinach Pie

Ingredients (15)

• TOPPING:
• 6 sheets phyllo pastry (17x13-inches each),
• 4 tablespoons unsalted butter,
• FILLING:
• 1 tablespoon olive oil
• 1 large onion,
• 20 ounces frozen chopped spinach,
• 2 cups ricotta cheese
• 8 ounces crumbled feta cheese
• 8 ounces grated Monterey Jack cheese
• 2 large eggs
• 3 tablespoons finely chopped fresh dill
• 3 tablespoons finely chopped fresh parsley
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper