Summer Squash Pasta Toss - With meat

6 tablespoons butter 1 medium onion , sliced in strips 2 tablespoons minced garlic 2 medium yellow squash (summer squash) 2 medium zucchini 1 quart whole[...]

coarse salt 1 lb spaghetti or 1 lb linguine 1/2 lb Italian sausage , link, sliced very thin 1/4 cup olive oil , plus more for drizzling 2 medium summer[...]