Weeknight Chili

1 lb. ground beef 1 pkg. chili seasoning mix 1 can (14 oz.) diced tomatoes with green chiles, undrained 1 can (15 oz.) red kidney beans, rinsed and drained 1 can (8 oz.) tomato sauce 1 C. shredded cheddar cheese Chopped green onions (opt.) Brown ground beef in large skillet, drain fat. Stir in seasoning mix. Place beef, tomatoes, beans, and tomato sauce in crockpot. Stir to combine. Cover and cook on low 4-6 hours or on high 2-3 hours. Top each serving with cheese and green onions, if desired.