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Mac and Cheese in a brown bowl on a wooden board and blue napkin

Instant Pot Mac and Cheese

Instant Pot Mac and Cheese is simple, creamy, cheesy, and delicious. Make this fast in your electric pressure cooker, and in one pot!

Course Dinner, pasta, Side Dish
Cuisine American
Keyword pressure cooker mac and cheese recipe
Prep Time 10 minutes
Cook Time 4 minutes
Pressure Building and Release 12 minutes
Total Time 26 minutes
Servings 6
Calories 497 kcal
Author Sandy Clifton

Ingredients

  • 4 cups Water or Low Sodium Chicken Broth
  • 3 Tablespoons Butter, unsalted
  • ¾ teaspoon Kosher Salt
  • ½ teaspoon Pepper
  • ¾ teaspoon Garlic Powder
  • ¼ teaspoon Ground Mustard (optional)
  • A Few Dashes of Hot Sauce (optional, but it adds a nice flavor, not spicy)
  • 16 oz Macaroni Pasta (1 lb, or penne, shells, etc.) weigh it for best results
  • 2 cups Shredded Sharp Cheddar Cheese, shredded (freshly shredded for creamiest result)
  • 1 cup Shredded Monterey Jack or Mozzarella Cheese, freshly shredded is best
  • ¼ cup Shredded Parmesan Cheese
  • ½ - 1 cup Milk (or half and half, evaporated milk) Add enough to get desired creaminess.

Instructions

  1. Add the water or broth, butter, salt, pepper, garlic powder, ground mustard, and hot sauce to the Instant Pot.

  2. Stir in the pasta and close the lid. Set the steam release knob to the Sealing position.

  3. Press the Manual (or Pressure Cook) button and use the +/- button to choose 4 minutes (or half of the time the pasta package directions recommends).

  4. When the cook cycle ends, do a Controlled Quick Release of the pressure. Start slowly, using several small bursts of steam release, to make sure none of the sauce spews out with the steam (the butter usually helps keep the foam down). Then fully release the remaining steam.

  5. When the pin in the lid drops back down, open the pot and give the contents a stir. You want some liquid in there, but if it looks too watery, take some out.

  6. Add the cheeses, a cup at a time, and stir. Let it melt before next step.

  7. Add the milk and stir until creamy and blended with the cheese.

  8. Adjust salt to taste.

  9. If it is too saucy, cover and let sit for a few minutes to soak everything up.

  10. Serve hot.

Recipe Notes

The mac and cheese thickens up as it cools. If you need to loosen it up, just add more milk as needed.