To prepare a spaghetti squash with paleo meat sauce recipe, you'll need: Spaghetti squash: Cut the squash in half lengthwise and scoop out the seeds. Peel the skin and cut the flesh into 1/4-inch-thick slices. Place the slices in the microwave-safe bowl and microwave for 30 seconds. Stir the ingredients together until they're evenly coated. Spread the mixture on the bottom of the baking dish and bake for 20 minutes. Remove the dish from the oven and let it cool for 10 minutes before serving.