Mushroom and Spinach Ravioli with Chive Butter Sauce

Ingredients

• 1 teaspoon olive oil
• 1 ½ tablespoons water or more if needed
• 2 eggs
• 2 cups all-purpose flour or more if needed
• ¼ teaspoon salt
• 1 clove garlic minced
• ½ cup chopped onion
• 1 (8 ounce) package fresh mushrooms coarsely chopped
• 4 ounces cream cheese softened
• ⅓ cup grated Parmesan cheese
• ½ cup mozzarella cheese
• ½ cup frozen chopped spinach thawed and drained
• 1 tablespoon chopped fresh chives
• 1 tablespoon chopped fresh parsley
• ½ teaspoon ground cayenne pepper
• salt
• ground black pepper
• 1 egg white beaten
• 3 tablespoons butter
• 1 ½ teaspoons chopped fresh chives