Roasted Pumpkin Mac 'N' Cheese with Walnuts & Sage

Name: Roasted Pumpkin Mac 'N' Cheese with Walnuts & Sage
Cuisine: American
Ingredients: 1.5 kg butternut pumpkin, cut into 2 cm chunks; 3 tbsp olive oil, plus extra for drizzling; 2 large brown onions, sliced; 25 g butter or margarine; 500 g macaroni or curly pasta; 3 tbsp plain (all-purpose) flour; ½ tsp ground nutmeg; 1 tsp dried tarragon; 375 ml (1½ cups) milk (or nut milk); 500 ml (2 cups) vegetable stock; 60 g (½ cup) grated cheddar (or vegan cheese/nutritional yeast), plus extra for topping; 25 g (¼ cup) grated parmesan (or vegan cheese/nutritional yeast); 1 handful sage leaves, thinly sliced; 60 g (½ cup) walnuts, roughly chopped; Pin126