Spinach Ricotta Cannelloni

Ingredients (14)

• 12 cannelloni tubes (oven ready, fresh or dry)
• 1 tablespoon butter
• 1 cup spinach (cooked and well drained)
• 1 cup ricotta cheese
• 1 cup freshly grated parmesan (divided)
• 1 large egg
• 1-2 dashes pepper
• ¼ teaspoon salt
• WHITE SAUCE:
• 2 tablespoons butter
• 2 tablespoons flour (all purpose)
• ¼ teaspoon salt
• 1-2 dashes pepper (if desired)
• 2 cups milk