One-Pot Butternut Mac Cheese

Featured in: One-Pot Family Meals

This dish features tender elbow macaroni cooked in a silky butternut squash sauce enriched with sharp cheddar and Parmesan. Vegetables like carrot, onion, and garlic are sautéed before simmering in milk and water, then pureed to create a smooth base. The pasta is cooked directly in the creamy sauce, blending cheesy goodness with a subtle veggie twist. Perfect for a quick, easy, and comforting meal that also adds a nutritious boost.

Updated on Fri, 21 Nov 2025 13:37:00 GMT
A steaming bowl of vibrant One-Pot Butternut Squash Mac & Cheese, cheesy and creamy. Save to Pinterest
A steaming bowl of vibrant One-Pot Butternut Squash Mac & Cheese, cheesy and creamy. | savoringli.com

One-Pot Butternut Squash Mac & Cheese: Hidden Veggie Twist A creamy, comforting mac and cheese with a silky butternut squash sauce, perfectly blending cheesy goodness and a boost of hidden veggies all made in one pot for easy cleanup.

I love how this recipe sneaks in extra vegetables while still feeling indulgent and easy to make after a busy day.

Ingredients

  • Pasta: 340 g (12 oz) elbow macaroni or small pasta shells
  • Vegetables: 2 cups (about 350 g) butternut squash, peeled and diced, 1 small carrot, peeled and diced, 1 small onion, diced, 2 cloves garlic, minced
  • Dairy & Cheese: 2 cups (480 ml) whole milk, 1 cup (240 ml) water, 1 ½ cups (150 g) shredded sharp cheddar cheese, ½ cup (50 g) grated Parmesan cheese, 2 tbsp (28 g) unsalted butter
  • Seasonings: ½ tsp salt (or to taste), ¼ tsp ground black pepper, ¼ tsp ground nutmeg (optional), ½ tsp Dijon mustard (optional)

Instructions

Step 1:
In a large pot, melt butter over medium heat. Add onion, carrot, and butternut squash. Sauté for 57 minutes until vegetables begin to soften. Add garlic and cook 1 minute more.
Step 2:
Pour in milk and water. Bring to a simmer, cover, and cook for 1012 minutes until the squash and carrot are very tender.
Step 3:
Use an immersion blender to puree the mixture in the pot until smooth and creamy (or carefully transfer to a blender and return to the pot).
Step 4:
Stir in the uncooked pasta, salt, pepper, nutmeg, and Dijon mustard. Bring to a gentle boil, then reduce heat to maintain a simmer. Cook uncovered, stirring frequently, until pasta is al dente and sauce has thickened (about 10 minutes). Add a splash more water or milk if needed.
Step 5:
Remove from heat. Stir in cheddar and Parmesan cheeses until melted and smooth. Adjust seasoning to taste. Serve hot.
This comforting One-Pot Butternut Squash Mac & Cheese showcases a smooth, orange, veggie-packed sauce. Save to Pinterest
This comforting One-Pot Butternut Squash Mac & Cheese showcases a smooth, orange, veggie-packed sauce. | savoringli.com

This dish always brings my family together around the table and everyone asks for seconds.

Required Tools

Large pot with lid immersion blender or standard blender wooden spoon or spatula measuring cups and spoons

Allergen Information

Contains milk (dairy), cheese, and wheat (gluten from pasta). For allergies, use dairy-free cheese and milk alternatives, and gluten-free pasta as needed. Always check ingredient labels for potential allergens.

Nutritional Information

Calories: 475 total fat: 17 g carbohydrates: 62 g protein: 19 g

Golden One-Pot Butternut Squash Mac & Cheese: a close-up shows the cheesy, perfectly cooked pasta. Save to Pinterest
Golden One-Pot Butternut Squash Mac & Cheese: a close-up shows the cheesy, perfectly cooked pasta. | savoringli.com

This mac and cheese is a perfect blend of comfort and nutrition with a hidden veggie twist you will love.

Recipe Questions & Answers

How do I achieve a smooth butternut squash sauce?

Sauté the diced butternut squash, carrot, and onion until soft, then simmer in milk and water. Use an immersion blender to puree until silky smooth before adding pasta.

Can I substitute the pasta type?

Yes, elbow macaroni or small pasta shells work well. For gluten-free options, use gluten-free pasta varieties.

What can I add for extra vegetable flavor?

Adding a handful of spinach in the last two minutes of cooking enhances flavor and nutrition without altering texture.

How do I prevent the sauce from clumping?

Stir frequently while the pasta cooks and add a little extra milk or water if the sauce thickens too much.

Can I use different cheeses in this dish?

Sharp cheddar and Parmesan provide a rich flavor, but you can experiment with other melting cheeses for varied tastes.

One-Pot Butternut Mac Cheese

Creamy mac and cheese with rich butternut squash sauce made all in one pot for easy cleanup.

Prep Time
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Created by savoringli Lila Anderson


Skill Level Easy

Cuisine Type American

Makes 4 Serving Size

Diet Details Vegetarian-Friendly

Ingredient List

Pasta

01 12 oz elbow macaroni or small pasta shells

Vegetables

01 2 cups peeled and diced butternut squash
02 1 small peeled and diced carrot
03 1 small diced onion
04 2 cloves minced garlic

Dairy & Cheese

01 2 cups whole milk
02 1 cup water
03 1 ½ cups shredded sharp cheddar cheese
04 ½ cup grated Parmesan cheese
05 2 tbsp unsalted butter

Seasonings

01 ½ tsp salt, or to taste
02 ¼ tsp ground black pepper
03 ¼ tsp ground nutmeg (optional)
04 ½ tsp Dijon mustard (optional)

Step-by-Step Instructions

Step 01

Sauté Vegetables: Melt butter over medium heat in a large pot. Add onion, carrot, and butternut squash; sauté for 5 to 7 minutes until vegetables begin to soften. Add garlic and cook for 1 minute more.

Step 02

Simmer Vegetables: Pour in milk and water, bring to a simmer, cover, and cook for 10 to 12 minutes until squash and carrot are very tender.

Step 03

Puree Mixture: Use an immersion blender to puree the mixture until smooth and creamy, or carefully transfer to a blender and return to the pot.

Step 04

Cook Pasta in Sauce: Stir in uncooked pasta, salt, black pepper, nutmeg, and Dijon mustard. Bring to a gentle boil, then reduce heat to maintain a simmer. Cook uncovered, stirring frequently, about 10 minutes until pasta is al dente and sauce thickens. Add additional water or milk if needed.

Step 05

Incorporate Cheeses and Serve: Remove from heat. Stir in cheddar and Parmesan until fully melted and sauce is smooth. Adjust seasoning as desired. Serve hot.

Equipment Needed

  • Large pot with lid
  • Immersion blender or standard blender
  • Wooden spoon or spatula
  • Measuring cups and spoons

Allergy Info

Review every ingredient for allergens. If unsure, check with a healthcare provider.
  • Contains milk (dairy), cheese, and wheat (gluten from pasta).
  • Use dairy-free cheese and milk alternatives, and gluten-free pasta as required for allergies.

Nutrition Info (per portion)

Serves for general info – not a replacement for professional advice.
  • Calorie Count: 475
  • Fats: 17 g
  • Carbohydrates: 62 g
  • Proteins: 19 g