1. Combine crushed cereal and margarine. Set aside for topping.
2. In large fry pan, cook onion, celery and carrot in oil until tender. Stir in pepper, oregano, garlic powder and tomatoes, cutting tomatoes into pieces. Bring to boil and simmer uncovered about 20 minutes.
3. Stir in macaroni, spinach and cheese. Pour into 2 L casserole. Sprinkle with cereal topping.
4. Bake at 175°C (350°F) about 25 minutes or until lightly browned. Add sour cream if desired.
In keeping with good allergy practices, we remind you to be aware of allergens and to check labels on any packaged goods used. This recipe has been tested using Kellogg's* products. Results with other products may vary.