Spicy Sausage, Potato & Kale Soup
Yield: 6-8 servings 1 pound spicy Italian sausage chicken or pork) 2 tablespoons butter or olive oil 1 large onion, chopped 3 garlic cloves, minced 1 teaspoon salt, plus more to taste 1 teaspoon freshly cracked black pepper, plus more to taste 1/2 teaspoon crushed red pepper flakes, optional 2 large bunches of kale, stemmed …