Ritchie Estate Mexican Meatloaf

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Ritchie Estate in Balch Springs, Texas in 1984.
 * Contributed by Catsrecipes Y-Group

Ingredients
2 pounds lean ground beef 8 ounce can tomato sauce 1 cup dry bread crumbs 1 package taco seasoning mix 1/3 cup chopped green bell pepper 1/3 cup chopped onion 1 large egg 2 cups shredded cheddar cheese 1/2 cup sour cream 1/4 pound cheddar cheese sliced

Directions
Preheat oven to 375. In a large bowl combine ground beef, tomato sauce, bread crumbs, taco seasoning, pepper, onion and egg then mix thoroughly and set aside. In a medium bowl combine cheddar cheese and sour cream. Place half the meat mixture in loaf pan. Make a deep well the length of loaf then place cheese mixture in well and place remaining meat mixture on top. Bake for 1-1/2 hours then pour off drippings and top with sliced cheese and allow to stand for 10 minutes.