Pulled Pork Mac and Cheese

Name: Pulled Pork Mac and Cheese
Ingredients: 1 1/2-2 pounds boneless pork loin; 2 cups beef broth (I use beef broth base); 1/2 tsp salt; 1/2 tsp onion powder; 3 garlic cloves (minced); 1/4 tsp Spanish paprika; 1/4 tsp black pepper; 1/4 tsp red pepper flakes; 3 cups dry pasta (I used rotini) (cooked to package directions); 2 Tbs butter; 2 Tbs flour; 1-1/2 cup whole milk; 1/4 tsp nutmeg; 1/4 tsp pepper; 1/4 tsp garlic powder; 1/4 cup shredded parmesan; 1/4 cup shredded mozzarella cheese; 1/4 cup shredded colby jack cheese