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This Instant Pot macaroni and cheese is creamy, comforting, and ready in just minutes—no straining or baking required. Simply add the pasta, water, butter, and seasonings to the pot, cook under pressure for 4 minutes, then stir in the milk and cheese. The result is rich, cheesy mac and cheese with minimal effort. It’s a perfect weeknight side or main dish, and you can easily customize it with extras like bacon, seafood, or vegetables.
With quick prep, short cook time (though it will take an additional 12 minutes or so for pressure to build) it’s the kind of recipe you’ll reach for on busy nights or anytime you want homemade mac and cheese without fuss. Sharp cheddar, evaporated milk, and a touch of mustard powder give it a classic flavor that tastes like it simmered much longer than it did.
What You’ll Like About This Dish
Truly fast. Four minutes of pressure cooking makes this one of the quickest mac and cheese recipes.
One-pot method. No draining—the pasta cooks in the sauce base for maximum creaminess.
Super creamy texture. Evaporated milk and melted cheese create a smooth, velvety sauce.
Kid- and adult-friendly. Classic flavor that works for weeknights, parties, or potlucks.
Ingredient Notes
- Macaroni – Elbows work well, but small shells or any short tubular pasta also cook evenly.
- Water – Allows the pasta to cook without draining, keeping starch in the pot.
- Butter – Adds richness and helps emulsify the sauce.
- Mustard powder – Enhances the cheese flavor without tasting like mustard.
- Evaporated milk – Creates a creamy, stable sauce; whole milk also works.
- Cheddar cheese – Sharp cheddar melts smoothly; blends like cheddar jack also work well.
Steps to Make 4-Minute Instant Pot Macaroni and Cheese
- Add the pasta, water, butter, mustard powder, salt, and pepper to the Instant Pot and stir.
- Seal the lid and pressure cook until the pasta is tender.
- Perform a quick release and open the lid carefully.
- Add the evaporated milk and cheese.
- Stir until the cheese melts and the sauce becomes creamy.
- Serve right away or keep warm briefly.
Tips
- Stir the cheese in gradually for the smoothest sauce.
- If the mixture seems thin, let it sit a minute—it thickens quickly.
- Add extra milk if you prefer a looser, creamier sauce.
- Freshly shredded cheese melts better than pre-shredded blends.
Recipe Variations
- Extra cheesy version. Stir in a handful of mozzarella or Monterey Jack.
- Creamier mac. Add a splash of heavy cream with the milk.
- Spicy mac. Mix in cayenne, hot sauce, or diced jalapeños.
- Smoky flavor. Add smoked paprika or use smoked cheddar.
- Bacon mac. Stir in cooked crumbled bacon before serving.
Serving Suggestions
- Serve as a main dish or a hearty side.
- Pair with roasted chicken, pork chops, or burgers.
- Add steamed broccoli or peas for color and texture.
- Top with extra cheese or toasted breadcrumbs.
- Garnish with chives, parsley, or black pepper.
How to Store
Refrigerate: Store leftovers in an airtight container for up to 4 days. The pasta will continue to absorb sauce as it chills.
Freeze: Freezing is possible but may change the texture slightly. Freeze for up to 1 month and reheat gently.
Reheat: Warm on the stovetop or in the microwave, adding a splash of milk to loosen the sauce.
Instant Pot Macaroni and Cheese
Ingredients
- 1 pound macaroni
- 4 cups water
- 4 tbsp butter
- 2 tsp mustard powder
- 1 ½ tsp kosher salt
- ¼ tsp ground black pepper, or to taste
- 1 cup evaporated milk, or whole milk
- 4 cups shredded cheddar cheese, (e.g., sharp or mild cheddar, cheddar blend, or cheddar jack)
Recommended Equipment
Instructions
- Combine Ingredients: Combine the macaroni, water, butter, mustard powder, salt, and pepper in the Instant pot and stir.1 pound macaroni | 4 cups water | 4 tbsp butter | 2 tsp mustard powder | 1 1/2 tsp kosher salt | 1/4 tsp ground black pepper (or to taste)
- Pressure Cook: Choose pressure cook, high, and set the timer for 4 minutes. Lock the lid and ensure the vent is set on sealing (some models are automatic).
- Finish the Dish: When the time is up, release the pressure (quick release) and remove the lid. Add the evaporated milk. Gradually add the cheese, stirring to blend.1 cup evaporated milk (or whole milk) | 4 cups shredded cheddar cheese ((e.g., sharp or mild cheddar, cheddar blend, or cheddar jack))
- Serve and Enjoy: Transfer to a serving bowl and serve immediately, or cover the pot and leave it on the warm setting for up to 45 minutes.
Nutrition
Disclaimer:
Our nutritional information is based on a third-party application that analyzes the ingredients list to determine the values. The information is meant to be helpful, but should be considered an estimate. Values may differ depending on measurements, brands, serving variations, and database availability.
