Root Vegetables with Spicy Italian Sausages

Name: Root Vegetables with Spicy Italian Sausages
Ingredients: 2 tablespoons olive oil; 1 pound spicy Italian sausage, meat removed from the casing; 1 small turnip, peeled and diced; 2 small carrots, peeled and sliced into 1/4-inch-thick rounds; 2 small parsnips, peeled and sliced into 1/4-inch-thick rounds; 4 to 5 small Yukon gold potatoes, sliced into 1/4-inch-thick rounds; 1 red onion, sliced; 1 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper; 1 cup chopped kale; 5 cloves garlic, sliced; 3 tablespoons minced fresh sage; 2/3 cup chicken stock; 2/3 cup sour cream; 2 to 3 dashes chipotle hot sauce; 1 lemon, juiced; Crusty bread, for serving