1. Preheat oven to 350. in greased deep 13 x 9 dish, spread beans in bottom, mix sour cream and taco seasoning together. spread mixture on top of beans. cook in oven until bubbly.
2. remove from oven and top right away with cooked beef. top beef with cheddar cheese. again place in oven until cheese is melted.
3. Remove from oven and top with remaining ingredients. serve with your choice of chips