This is how long to cook frozen roast in Instant Pot so it is fork tender with tons of flavor.
Add broth, onions and seasonings into pressure cooker with frozen beef roast to make this in about 1 hour.
You can add a sauce in with your Instant Pot roast frozen too for flavor and liquid.
That is how to cook frozen roast in Instant Pot, click on link below for more step by step detailed directions.
Make our frozen roast recipe here and enjoy shredded any way you like when done.