Preheat the oven to 200°C, add 2 tablespoons of the oil to a baking dish, add the pumpkin cubes, season with the salt and pepper, add the cumin and toss the pumpkin well until thoroughly coated with the oil, then bake for 30-35 minutes or until the pumpkin is tender.
Meanwhile cook the pasta according to the packet directions or until al dente, drain, return to the pan, cover and keep warm.
Heat the remaining tablespoon of olive oil in a pan over a medium heat, add the breadcrumbs, garlic, onion and sage and cook for 3-4 minutes, stirring or until golden, remove from the heat and stir in the parsley.
Add the ricotta to the pasta and toss until well combined, add the pumpkin and gently toss.
Divide between the serving plates and scatter with the breadcrumb mixture and serve with salad greens.