Loaded Mac and Cheese

Name: Loaded Mac and Cheese
Prep time: 25 min
Cook time: 15 min
Total time: 40 min
Cuisine: American
Ingredients: 2 cups uncooked elbow macaroni; 6 bacon strips, chopped; 3 garlic cloves, minced; 1/4 cup all-purpose flour; 1-3/4 cups 2% milk; 2/3 cup brown ale or chicken broth; 1 cup shredded Parmesan cheese; 1 cup shredded extra-sharp cheddar cheese; 2 green onions, chopped; 1/2 teaspoon salt; 1/4 teaspoon pepper; Additional green onions