Melt the butter in your IP on SAUTE.
Add mushrooms and cook for 5 minutes.
Add garlic and cook for an additional minute.
Transfer to a bowl.
Whisk together the eggs and heavy cream.
Stir in the flour and baking powder.
Add the remaining ingredients, including the garlicky mushrooms, and stir to combine.
Grease a baking dish and pour the mixture into it.
Cover with a foil.
Pout 1 ½ cups water into your IP and lower the rack.
Insert the baking dish inside and cook for 25 minutes on MANUAL.
Do a quick pressure release.
Serve and enjoy! Per Serving (Calories 148 | Total Fats 10.6g | Net Carbs: 2.5g | Protein 6.2g |Fiber: 2.5g)