1. In Dutch oven over medium heat, brown ground beef, breaking it up as it cooks. Drain off fat.
2. Stir in chili seasoning mix, water, tomatoes, and kidney beans.
3. Bring to a boil, stirring frequently.
4. Reduce heat, cover and simmer for 20 minutes, stirring occasionally.
5. When serving, garnish with shredded cheese and jalapeno slices. Serve with tortilla chips.