Butternut Squash without peanut stock

For the salad (use as much or as little of each ingredient as you want): 1/2 cup butternut squash , cut into 1/2 inch cubes 1 tsp. olive oil 2 cups arugula[...]

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[...]