Butternut Squash without potatoes

1 pound sourdough bread 1 loaf, crusts removed, cut in 1/2-inch cubes, about 10 cups * 1/3 cup pumpkin seeds 2 3/4 teaspoons butter divided 2 tablespoons[...]

4 lbs butternut squash (peeled, seeded and rough chopped) 4 granny smith apples (peeled and diced) 2 firm pears , peeled and diced 1 large onion , chopped 1[...]