How to Make Cheese Sauce in the Microwave

If you're in a pinch and want to spruce up some steamed veggies, tortilla chips or even pasta, this cheese sauce recipe couldn't be easier. All you need to do is whisk together the ingredients in a microwave-safe bowl and you can be ready to enjoy this delicious sauce in minutes.

Place some butter in a microwave-safe bowl. Cook on high in the microwave for 15 to 30 seconds, checking on the butter to see if it's melted.

Whisk an equal amount of flour into the butter until smooth. Measure out an equal amount of cheese and milk. Set the cheese aside and add the milk to the flour and butter mixture. Stir until blended. Season with salt and pepper.

Cook on high in the microwave for 2 minutes. Remove from microwave, and stir ingredients. Cook again for another 1 to 2 minutes or until the mixture has thickened.

Add cheese to the bowl. Stir thoroughly. Place bowl back in microwave if the cheese doesn't melt fully. Serve immediately.


The flour and butter mixture thickens the sauce, so don't add too much milk. Use a cheese that's sharper than you would eat on its own. Cheese mellows once it cooks and blends with other ingredients. If you enjoy a little kick, add hot sauce, chili powder or ground red pepper to this recipe.

Things You'll Need

  • Butter
  • Flour
  • Milk
  • Salt and pepper, to taste
  • Shredded cheese
  • Microwave-safe bowl
  • Whisk
  • Measuring spoon
  • Measuring cup
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