Alaska Crab Mac and Cheese

Name: Alaska Crab Mac and Cheese
Ingredients: 1 Pound lian fusilli or trottole pasta, cooked al dente, drained and kept warm; 1 Pound crabmeat (2 lbs. Alaska King, Snow or Dungeness crab legs); 2 Cups bite-sized pieces of fresh asparagus (about 9 oz.); 1/2 Cup butter; 1/2 Cup flour; 1 Teaspoon salt, substitute garlic salt or onion salt, if desired; 1/2 Teaspoon cracked black pepper; 4 Cups non-fat or 1% milk, warmed; 1 Cup shredded Gruyere or Swiss cheese; 1 Cup shredded Parmesan cheese; 2 Cups shredded sharp white cheddar cheese; 1/2 to 3/4 Cup panko breadcrumbs; 1/2 Teaspoon dried thyme; 1/2 Teaspoon smoked paprika