Butternut Squash With Pistou without cinnamon onion

1 1/4 kg butternut squash or 1 1/4 kg kabocha squash or 1 1/4 kg pumpkin sunflower oil 20 g butter (the original recipe calls for 40) 1 medium onion , chopped[...]

2 tablespoons butter , at room temperature 2 tablespoons extra virgin olive oil 1 medium onion , chopped 1 medium carrot , peeled and chopped into 1/2-inch[...]

2 tablespoons butter , at room temperature 2 tablespoons extra virgin olive oil 1 medium onion , chopped 1 medium carrot , peeled and chopped into 1/2-inch[...]