• Lasagna noodles: 9 sheets, cooked according to package directions.
• Shrimp: 1 lb, peeled and deveined.
• Scallops: ½ lb, small-sized.
• Crab meat: 1 cup (fresh or canned).
• Ricotta cheese: 1 ½ cups.
• Parmesan cheese: 1 cup, grated.
• Mozzarella cheese: 2 cups, shredded.
• Garlic: 3 cloves, minced.
• Flour: 3 tablespoons (for roux).
• Milk: 2 cups (or half-and-half for extra creaminess).
• White wine: ½ cup (optional, adds depth).
• Fresh parsley: 2 tablespoons, chopped.
• Lemon juice: From 1 lemon.
• Salt and pepper: To taste.