Quinoa Stuffed Butternut Squash Topped with Salmon

2 lbs Westerross salmon (divided)2 medium butternut squash2 teaspoons olive oil (divided)3/4 cup quinoa1 1/2 cups vegetable broth1 bunch kale (stems removed and chopped – about 6 lightly packed cups)2 cloves garlic (minced)1 teaspoon dried oregano1/2 teaspoon...