Preheat oven to 350 degrees F. Sauté onion in butter until transparent. Stir in tomato sauce, chopped peppers and salt. Simmer 5 minutes. Remove from heat. Combine eggs and cream. Stir into sauce. Place half the corn chips in bottom of a 1 1/2 quart casserole. Add in layers, half the Monterey Jack cheese, half the sauce. Repeat. Top with sour cream. Sprinkle with shredded cheddar cheese and paprika. Bake, uncovered, for 30 minutes.