Heat browning dish, 4 minutes. Saute onion and green pepper in browning dish with melted fat for 2 - 3 minutes. Add crumbled ground beef. Place in microwave and heat 6 minutes at Full Power. Stir every two minutes. Transfer to a deep, 2 qt. Casserole. Add tomato sauce, tomatoes, beans, salt, pepper, cumin and chili powder. Cover and cook at Full Power 10-12 minutes, stirring after 5 minutes. Standing time: 5 minutes. Microwave time: 22-25 minutes. Conventional range time: 1 hour.