Ingredients:
- 350g: dried spiral pasta
- 1 small onion Or leek : thinly sliced
- 100g: frozen chopped spinach
- 100g: frozen sweet corn kernels
- 250g: plain low-fat cottage cheese or plain quark
- 175g: fat-free Greek yogurt
- 400g: canned tuna chunks in water, drained
- 75g: reduced-fat Cheddar cheese, shredded