Butternut Squash without broth

2 onions , roughly chopped 1 garlic clove , roughly chopped 1/2 teaspoon chili flakes (optional) 3 tablespoons olive oil 2 medium butternut squash 4 1/2 cups[...]

1/2 butternut squash (peeled and chopped into small chunks) 2 small onions (roughly chopped) 4 leeks (roughly chopped) 1 red chili pepper (deseeded and[...]