In a sauté or frying pan over medium-high heat, crisp the bacon on both sides and place on a paper towel to drain. When cool enough, cut into pieces.
Prepare the insta-cooker by adding water to the pot and placing the steam rack inside.
Butter a 6-7 inch soufflé or baking dish.
In a large bowl, whisk together eggs and milk then season with salt and pepper. Add the bread and let it sit for 5 minutes, stirring once or twice.
Add 1/4 cup of cheese and bacon to the bowl and mix. Pour into the pan and push down bread to submerge. Place dish on the steam rack, uncovered, and secure lid.
Select Manual and cook at high pressure for 15 minutes.
Once cooking is complete, use natural release. Be sure to remove lid carefully so that condensation does not drop on the strata
Carefully remove dish
Preheat oven to broil
Top with remaining 2 tablespoons of cheese and place under broiler for 3-5 minutes, until cheese is melted and browned.