Remove parchement papaer from tamales.Layer tamales in the bottom of a casserole dish or square baking pan. Pour sauce from the tamale can over the tamales. Next Spread half of the chesse over the tamales and sauce. Next spread the chili over the cheese. Top with the rest of the cheese. Spread the fritos over the cheese. Bake until cheese is melted and the chili is bubbly. Keep an eye on it to makle sure the fritos don't get too brown.
One option is to sprinkle a little bit of chopped onion on the layer of chili.