Cook pasta as per packet directions, then drain and set aside. Preheat oven to 180C.
Over a low-medium heat, heat the oil in a large frying pan, add garlic and onion and cook, stirring the whole time. After about 2 minutes add chopped sausage pieces and cook until browned (about 5 minutes).
Add carrots, pumpkin, zucchini and water. Stir lightly and allow to simmer until vegetables begin to soften. Mix through tomato paste and tinned tomatoes, simmering for a further 5 minutes.
Remove from heat and mix through drained pasta. Place the mix into a large oven dish (this recipe makes enough to fill 1 large lasagne dish) and sprinkle cheese over the top. Bake for 20 minutes or until cheese has browned lightly.
You could also divide the pasta bake into smaller dishes or silicon muffin trays for individual serves.
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