Instant Pot Vegetable Au Gratin

A new twist can be added to the traditional Au gratin recipe by adding mixed vegetables along with Béchamel sauce.

Instant Pot Vegetable Au Gratin
4.67 from 3 votes
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Course: Main Course
Cuisine: French
Keyword: béchamel sauce, cheddar cheese, Vegetable Au Gratin, vegetables
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 6
  • 1 cup water
  • 2 cup vegetables - corn, broccoli, French green beans, cauliflower, carrots, zucchini etc.
  • 2 cup Béchamel sauce
  • 1 cup cheddar cheese grated
  • 1 cup breadcrumbs
  • salt and pepper to season
  • nutmeg powder
  • 1 tbsp butter
  • 1 tsp garlic minced
  • milk optional – only required for thinning sauce if too thick
  • Select “Steam” function on the Instant Pot pressure cooker.
  • Set the timer to 5 minutes with high-pressure settings.
  • Add 1 cup water to the cooking pot and place the steamer basket above it.
  • Place diced and peeled vegetables in the steamer.
  • Seal the lid and cook for 5 minutes.
  • Release the steam through natural pressure release. 
  • Drain the vegetables and transfer them to a bowl.
  • Heat butter in a saucepan over medium heat.
  • Add garlic, Béchamel sauce, combined cheese and nutmeg powder.
  • Mix well until smooth.
  • Stir in salt, pepper and potatoes.
  • Pour this mixture into a shallow casserole dish.
  • Top it with an even layer of breadcrumbs.
  • Bake for about 4 to 5 minutes at 350 degrees F in a preheated oven.
  • Serve warm.
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