Seafood Fettuccine

INGREDIENTS

• 1 1/2 tablespoons butter
• 1 cup chopped green onions
• 4 garlic cloves, minced
• 1 pound medium shrimp, peeled
• 1 pound sea scallops
• 2 cups half-and-half
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/2 pound lump crabmeat, shell pieces removed
• 3/4 cup (3 ounces) grated fresh Parmesan cheese, divided
• 8 cups hot cooked fettuccine (about 1 pound uncooked pasta)
• 1/4 cup chopped fresh parsley