In a large skillet, brown the ground beef with chopped onion and green bell pepper until the beef is no longer pink and vegetables are softened. Drain off any excess grease.
1.5 pounds ground beef
Stir in the diced tomatoes (undrained), cream of mushroom soup, and sour cream. Mix well.
1.5 pounds ground beef
Pour the mixture into a greased 9x13 inch baking dish. Sprinkle the shredded cheddar cheese evenly over the top.
1.5 pounds ground beef
Arrange the refrigerated biscuit dough evenly over the cheese.
1.5 pounds ground beef
Bake for 30-40 minutes, or until the casserole is bubbly and the biscuits are golden brown.
Let stand for a few minutes before serving.
Notes
This casserole is best served hot and can be a complete meal on its own.