• Turn on the Sauté setting. When hot, add the oil, butter and onion. Cook, stirring occasionally, until onion starts to turn translucent.
  1 Tablespoon Olive Oil, 3 Tablespoons Unsalted Butter, 1 small Sweet Onion,
• Add the broth, salt, pepper, garlic powder, onion powder, and dill. Stir, using a wooden spoon and be sure to scrape up any of the browned bits from the bottom of the pot (deglaze).
  3 cups Chicken Broth,, ½ teaspoon Kosher Salt, ½ teaspoon Pepper, 1 teaspoon Garlic Powder, ½ teaspoon Onion Powder, ½ teaspoon Dill Weed,
• Let the liquid heat up a little, then turn off/Cancel the Sauté setting.
• Add the egg noodles. Do not stir, just gently spread them in an even layer.
  12 oz Wide Egg Noodles,
• Pour the the half and half over the noodles. Do not stir.
  1 cup Half and Half
• Add the tuna, spreading it gently over the noodles. Do not stir.
  2 (6 oz) cans Chunk Light Tuna,
• Add the mushroom soup and spread to cover the noodles. Do not stir.
  2 (10.5 oz) cans Condensed Cream of Mushroom Soup
• Close the lid and set the steam release knob to the Sealing position.
  
• Press the Pressure Cook/Manual button or dial, then the +/- button or dial to select 3 minutes for soft noodles (2 minutes for firmer noodles). High Pressure. The pot will take several minutes to come to pressure.
  
• When the cook cycle has finished, turn the steam release knob to the Venting position to Quick Release the steam/pressure. **If any soup starts to come out of the steam vent, close it and release the pressure in bursts until the pressure has gone down enough to release the pressure fully.
• When the pin in the lid drops back down, open the lid.
  
• Carefully take the pot out of the pressure cooker housing using oven mitts, and set on a heat safe surface (this keeps it from cooking more).

To Finish

• Add the peas and give a gentle stir.
  2 cups Frozen Peas
• Add the cheese and stir. The casserole will thicken as it cools.
  1-2 cups Sharp Cheddar Cheese,
• When the cheese has melted, serve with a sprinkle of parsley as a garnish.
  2 Tablespoons Fresh Parsley,