Southern Baked Macaroni and Cheese

Name: Southern Baked Macaroni and Cheese
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: American
Ingredients: 8 to 10 ounces elbow macaroni; ½ cup whole milk; 1 (12-ounce) can evaporated milk; 2 eggs, lightly beaten; 1½ teaspoons white pepper; 1½ teaspoons granulated sugar; ½ teaspoon salt (or to taste); ½ cup (1 stick) butter, cut into small pieces; 2 tablespoons sour cream; ½ pound Velveeta, cut into small chunks; 8 ounces shredded Colby-Jack cheese (or 4 ounces Colby and 4 ounces Monterey Jack); 4 ounces shredded sharp cheddar cheese; 1 cup shredded mild cheddar cheese