White Queso Dip. 2 blocks of cream cheese, 1/2 cup of chopped onions (can be frozen), n1/2 cup of mayo, 1 (8 ounce) package of shredded monterrey jack cheese - about 2 cups, 1 (8 ounce )package of shredded parmesan cheese - about 2 cups. First, put the two blocks of cream cheese in a microwaveable bowl and zap them for 1 minute to soften.Add your chopped onions. I believe the original recipe called for frozen, but I use whatever I have. If you're not a big "onion person" I would suggest the frozen ones. Add your mayoand the shredded parmesan cheeseAdd the monterry jack cheeseMix it all up well with a fork until it's blendedSpoon the mixture into a baking dish or pie pan. Use the back of a spoon to spread it out evenly. Bake at 425 for 20 minutes or until the top is browning and bubbly.