Butternut Squash Gratin without sourdough

3 1/2 pounds butternut squash (about 2 medium), peeled, seeded, cut into 3/4- to 1-inch cubes (8 cups) 2 tablespoons olive oil Coarse kosher salt 4[...]

6 cups butternut squash (peeled and cubed into about 1/2-inch pieces) 2 -3 tablespoons butter (can use oil) 2 large leeks , thinly sliced 2 granny smith[...]

5 cups cubed peeled butternut squash (1/2-inch cubes) 1 teaspoon olive oil 1 1/2 cups thinly sliced leeks 2 cups cubed peeled braeburn apples (1/2-inch cubes)[...]