Butternut Squash without chips mandarin

4 -5 cups butternut squash, cubed (about 1 1/2 inch cubes) 1 medium carrot , chopped 1 medium yellow onion (1/2 chopped and 1/2 sliced) 2 stalks celery ,[...]

2 tablespoons olive oil 100 g onions (1 medium onion chopped finely) 3 minced garlic cloves 500 g passata 400 g plum tomatoes 2 tablespoons tomato puree 300 g[...]