John Wayne Casserole II

John Wayne Casserole II
1 (10-count) can biscuits
1 lb. ground beef
1 medium onion, chopped
1 packet taco seasoning
1 (16-oz.) carton sour cream
2 to 3 Tbsp. jalapeno peppers, chopped
2 tomatoes, diced (or 1 jar of salsa)
2 cups shredded Cheddar cheese
Flatten biscuits and place in a buttered 9-by-13-inch glass baking dish. Bake at 350 degrees until light brown. Brown beef and onions; drain and add taco seasoning. Spread meat mixture on top of the biscuits. Spread sour cream on top of the meat. Layer tomatoes and peppers. Sprinkle cheese on top. Bake at 350 degrees until cheese has melted and biscuits are done.