Brown the ground beef over medium heat for about 5 minutes and then drain the grease and add in the peppers and onions. once they have cooked for a minute or two, add in the tomato paste and tomato sauce. Bring to a boil and reduce heat to a simmer.
Add in the Cream Cheese and stir until melted through the meat sauce. Simmer for a few more minutes
Begin by adding the meat sauce to the bottom of the pan; add a layer of zucchini and then add more meat sauce; add 1/2 the Asiago cheese and 1/2 the Nacho cheese. Repeat with another layer of all the ingredients, adding green onions to the top.