This mac and cheese soup recipe is the soup version of the comfort food classic! It's quick and easy to make with everyday ingredients.
You may also like my Quick & Easy Stovetop Mac and Cheese.
This cheesy soup is a kid-friendly meal. It's ready in about 30 minutes, so you can whip it up on busy weeknights. You can feel good about the ingredients that go into it since you're not opening a box.
What goes in mac and cheese soup?
- Butter - for sautéing the aromatics, and it helps make a rich and creamy soup base
- Onion, celery, garlic - the classic combo takes this soup from bland to grand!
- Flour - to thicken the soup
- Chicken or vegetable broth - more flavorful than water
- Heavy cream - for a silky smooth texture
- Worcestershire sauce - umami flavor boost
- Macaroni - uncooked elbow macaroni cooks right in the soup
- Sharp cheddar cheese - use a good quality one (like Tillamook extra sharp/aged varieties) as it's the star of this soup!
How to make mac and cheese soup
This is an overview with step-by-step photos. Full ingredients & instructions are in the recipe card below.
In a soup pot, sauté chopped onion and celery in butter, then stir in the flour and let it cook for a couple of minutes.
Pour in the chicken broth and whisk until smooth. Stir in the cream, Worcestershire sauce, and salt. Bring the soup to a boil.
Finally, add in the macaroni and simmer until it's cooked (about 15-20 minutes). Take the soup off the heat and stir in the grated cheddar.
Helpful tips
- With this soup, it's important to keep an eye on it so that the pasta doesn't stick to the bottom of the pot and the liquid doesn't reduce too much.
- For best results, grate your own cheddar - it will taste and melt better. I use this cheese grater.
Substitutions and variations
- You can swap the macaroni for another pasta shape. If it's a large shape, use 2-3 cups uncooked.
- Try white cheddar for something a little different.
- Cooked bacon makes an amazing topping!
- You could sneak some broccoli in here. I'd add it in a few minutes before you add in the cheddar.
Storage and leftovers
- This soup will keep in the fridge for a few days, but it will thicken up due to the pasta soaking up more of the liquid. You may need to add a splash more broth to leftovers.
- I recommend re-heating over a low heat.
- This soup isn't the best for freezing.
Questions about this mac 'n cheese soup? Ask me in the comments below.
Mac and Cheese Soup
Ingredients
- 1/4 cup butter
- 1/2 medium onion chopped
- 2 sticks celery chopped
- 2 cloves garlic minced
- 6 tablespoons flour
- 4 cups chicken broth or veggie broth
- 1 cup heavy/whipping cream
- 1 teaspoon Worcestershire sauce
- 1/4 teaspoon salt or to taste
- 1 cup uncooked elbow macaroni
- 1/2 cup water if needed
- 2 cups sharp cheddar cheese shredded
- Pepper optional, to taste
Instructions
- Add the butter, onion, and celery to a pot and sauté for 4-5 minutes.
- Stir in the garlic and flour. Cook for about 2 minutes, breaking it up with your spoon/stirring it as you go along to cook the raw flour taste out.
- Slowly whisk in the chicken broth until all the flour has dissolved/there's no lumps.
- Stir in the cream, Worcestershire sauce, and salt. Increase the heat to high and bring the soup to a boil.
- Stir in the pasta, then reduce the heat so it's simmering but not boiling rapidly (medium-low heat works with my cast iron pot & gas stove). Cover the pot with the lid slightly ajar.
- Let the soup simmer for about 15-20 minutes or until the pasta has cooked, stirring fairly often so it doesn't stick to the bottom of the pot. If the soup looks like it's becoming too thick, add the 1/2 cup of water (or even more if needed).
- Turn the stove off, and stir in the cheddar gradually.
- Season with pepper and extra salt if needed.
Notes
- Use a good quality cheddar since this soup doesn't have a lot of ingredients and you'll really taste it.
- The soup will thicken up more as it sits so you may need to add more liquid when reheating leftovers.
- Serves 4-6 depending on serving size.
- Nutritional information is provided as a courtesy only and should be construed as an estimate rather than a guarantee. Ingredients can vary and Salt & Lavender makes no guarantees to the accuracy of this information.
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