Crossing border from Canada to USA

All I have had confiscated with a crossing is some apples. They are not going to invade your RV to search for bacon. Produce is the main concern as the assumption is that you are bringing pests into the USA. Reality is that these pests come in with the daily shipment of wholesale produce and flowers from Central and South America.

I would not worry about frozen meat and it is going to be vastly safer to eat than most of what you can buy in the USA.