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Instant Pot Mac and Cheese

A fast, creamy one-pot mac and cheese recipe using Instant Pot technology for perfectly tender pasta and a silky cheese sauce. Ready in 18 minutes with zero cleanup!
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Course: Instant pot
Cuisine: American Comfort Food
Prep Time: 10 minutes
Cook Time: 8 minutes
Total Time: 18 minutes
Servings: 6 servings
Calories: 420kcal
Author: Eva Stoner

Ingredients

  • 28 oz uncooked elbow macaroni noodles
  • 1 cup unsalted butter
  • 1/2 cup all-purpose flour
  • 4 cups whole milk
  • 8 oz shredded sharp cheddar cheese
  • 4 oz shredded mozzarella cheese
  • Salt and pepper to taste
  • Optional: 1 tsp Dijon mustard, 1 clove garlic (minced)

Instructions

  • Add 1 cup water to Instant Pot and set aside
  • Melt butter in inner lid using sauté function
  • Whisk in flour to create a roux, cooking for 1-2 minutes
  • Gradually stir in milk and water, blending into a smooth béchamel base
  • Bring to a boil, then reduce heat
  • Stir in shredded cheeses until fully melted and smooth
  • Add pasta, season with salt, pepper, and optional mustard/garlic
  • Seal Instant Pot and cook on high pressure for 4 minutes
  • Allow natural release for 5 minutes

Notes

Do not overcook pasta to avoid mushiness
Use non-dairy milk for a vegan version
Add steamed broccoli or peas to 100% of the pot before sealing
Toppings: Try garlic bread crumbs or steamed cauliflower florets as optional additions
Best served immediately

Nutrition

Serving: 1g | Calories: 420kcal | Carbohydrates: 50g | Protein: 16g | Fat: 18g | Saturated Fat: 10g | Cholesterol: 75mg | Sodium: 850mg | Fiber: 2g | Sugar: 5g