Duo Crisp + Air Fryer - Zucchini au Gratin

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Ingredients
  • 3 large zucchini (about 18 oz)
  • Kosher salt
  • pepper
  • 2 oz good quality parmesan cheese
  • 3 tbsp butter
  • 1 shallot
  • 2 tbsp flour
  • 1 1/4 cup milk
  • Steamer basket
  • 1.5 qt Instant Pot friendly casserole dish
Instructions
  • Add 1 cup water into the Instant Pot, load the zucchini into a steamer basket and lower into the pot. Secure the Pressure Cooking Lid.
  • Using the display panel select the PRESSURE COOK function. Adjust the time to 0 minutes, then select START.
  • When the time is up, quick-release the pressure. 
  • Select CANCEL, then drain the pot. Spread zucchini on a clean towel. Pat to remove moisture, then season generously with salt and pepper.
  • Coat the inside of a 1.5 quart casserole dish with cooking spray. Add half the zucchini, then 1/3 of the cheese, then the remaining zucchini and 1/3 of the cheese. 
  • Add butter to the Instant Pot. Using the display panel select the SAUTE function, then START. When butter melts, add the shallots to the pot and sauté until soft, 3-4 minutes. 
  • Sprinkle flour into the pot and whisk until fully incorporated. Add milk all at once, then cook and stir until sauce is thick and bubbly. Adjust seasonings.
  • Select CANCEL. Pour sauce over zucchini, then cover loosely with foil.
  • Rinse the pot, add 1 1/2 cups water and use the steam rack to lower the casserole into the pot. Return the casserole to the pot and secure the Pressure Cooking Lid.
  • Using the display panel select the PRESSURE COOK function. Adjust the time to 20 minutes, then select START.
  • When the time is up, quick-release the pressure, select CANCEL, then drain the water. Remove the foil and sprinkle the remaining cheese on the top. Secure the Air Fryer Lid.
  • Using the display panel select the BROIL function. Adjust the temperature to 400°F and the time to 8 minutes, then select START.
  • When Air Fry program is finished, remove the lid and place on the protective pad. 
  • Remove the casserole and allow it to sit 10-15 minutes before serving.
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