Put the idea of starting too low out of your head. It is not a fruitful concern. Look up Jordan's "To Be a Beast" blog post (google it). Following the body recomposition diet plan will ensure you aren't eating too much. If your bodyfat percentage is very high right now, you don't need to "eat a ton" to do the LP anyway.I want to go as far as I can with LP, but don't want to be eating a ton while undertraining myself with light weights either.
It is hard to start "too low" because with the LP you'll be get back to challenging weights quickly. If you start low and your bar speed is very fast on your work sets, make larger weight increases between training sessions until the weight seems appropriately challenging, then go back to the standard LP increases.
The much more common mistake is to start with weights that are too high and stall quickly.