Pesto Spaghetti Squash with parmesan

1 spaghetti squash, halved lengthwise and seeded 3 tablespoons butter, divided 1 onion, sliced 1 cup kale, stems removed and leaves chopped 4 white mushrooms,[...]

1 spaghetti squash , cooked by your favorite method and separated into strands (See How to Cook Spaghetti Squash ) 1 tablespoon olive oil 3/4 cup pesto sauce[...]

1/2 cup fresh basil 1 garlic clove , minced 2 tablespoons olive oil 1 tablespoon walnuts 1 tablespoon parmesan cheese 2 large summer squash, sliced 1/4 inch[...]