Butternut Squash with bread

5 cups (1/2-inch) cubed peeled butternut squash 1 teaspoon olive oil 1 1/2 cups thinly sliced leek (about 2 large) 2 cups (1/2-inch) cubed peeled Braeburn[...]

2 tablespoons unsalted butter 2 tablespoons olive oil 4 cups chopped onions (about 3 large) 2 tablespoons mild curry powder 5 lbs butternut squash (2 large) 1[...]