Ol' School Macaroni and Cheese

Name: Ol' School Macaroni and Cheese
Prep time: 30 min
Cook time: 45 min
Total time: 1 h 15 min
Cuisine: American
Ingredients: 8 oz elbow macaroni noodles; 4 tbsp salted butter (diced); 8 oz Velveeta, cut into cubes; 1 C colby cheese (shredded); 1 C monterrey jack cheese (shredded); 1 C sharp cheddar cheese (shredded); 2 tbsp sour cream; 12 oz evaporated milk; 1/3 C heavy cream; 1 egg; 1/2 tsp granulated sugar; 1/2 tbsp seasoned salt; 1/2 tsp ground mustard; 1/4 tsp cayenne pepper; 1/2 tsp onion powder; 1 tsp garlic powder; 1/2 tsp paprika; 1 tsp white pepper; 1/2 tbsp cracked black pepper; 1/4 tsp ground nutmeg