Bacon and Broccoli Mac and Cheese

INGREDIENTS

• 3 cups broccoli florets
• 8 ounces uncooked rigatoni
• 1 tablespoon butter
• 1 1/2 tablespoons all-purpose flour
• 1 1/4 cups 2% reduced-fat milk
• 2 ounces reduced-fat processed American cheese, cut into pieces
• 1/4 cup thinly sliced green onions
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 2 slices center-cut bacon, cooked and crumbled
• 2 ounces extra-sharp cheddar cheese, shredded (about 1/2 cup packed)