Adapted from Cooking Light
Consider this to be home fries in a casserole. Only the best home fries ever. Serve for brunch or dinner.
Preheat oven to 400°F.
Heat a large nonstick skillet or ovenproof skillet over medium-high heat. Add sausage to pan, and sauté for 5 minutes or until browned, stirring to crumble. Remove sausage from pan and set aside.
Melt butter in pan. Add onion; sauté 4 minutes, stirring occasionally. Add mushrooms; sauté 6 minutes, stirring occasionally. Add potatoes and salt; sauté 5 minutes or until browned, stirring occasionally.
Stir in sausage and broth. Remove from heat. If using an ovenproof skillet, top with the shredded cheese. Alternatively, spoon potato mixture into a 13 x 9-inch glass or ceramic baking dish coated with cooking spray; top with cheese.
Cover and bake at 400° for 30 minutes. Uncover and bake an additional 15 minutes or until golden. Sprinkle with thyme.