Cook Macaroni according to the package

While the pasta is cooking in a separate pot cook the onions in the butter until they are translucnet

Once onions are cooked add soup then add a half a can of milk to each can , stir to get the thick soup off the side and pour it in the pot

Add the velveeta and stir while it melts

As it is cooking together add the drained tuna

Add salt and pepper

Once the cheese is completely melted add the peas

Add the drained cooked pasta while it is hot

Stir well until it is all mixed well

When serving add a handful of crushed lays potato chips ontop