Step 1

In 4-quart saucepan or Dutch oven, heat 2 quarts water to boiling. Add pasta (from both boxes); return to boiling. Cook 9 to 11 minutes, stirring frequently, to desired doneness; drain and return to pan. Stir in milk, butter and cheese packages (from both boxes).

Step 2

Stir in spinach, tomatoes and salt; stir until greens wilt slightly.

Step 3

Cooking Vegetarian?: Always read labels to make sure each recipe ingredient is vegetarian. Products and ingredient sources can change.

Step 4

Before adding spinach to your pasta, remove any long stems to ensure the best texture and presentation.

Step 5

If desired, you can substitute baby arugula for the spinach.

Step 6

Want to add even more veggies? Try topping your mac & cheese with diced avocado and thinly sliced red onion.