Butternut Squash with oats

2 lbs butternut squash, see note 2 large celery ribs , chop 2-inch pieces 2 tablespoons water 1 1/2 cups thinly sliced leeks or 1 1/2 cups coarsely chopped[...]

2 1/2 pounds butternut squash up to 5 lbs 1 each carrot (2 if using more squash) 1 cup rolled oats 12 ounces green peas 1 tablespoon butter 2 large eggs[...]