One 1.22-pound package lean hot Italian turkey sausage, casings removed
1 cup chopped onion
2 cloves garlic, minced
6 cups low-sodium chicken broth
4 cups chopped Swiss chard, stems removed
Two 15 1/2-ounce cans great Northern beans, drained and rinsed
Salt and freshly cracked black pepper
Mini cornbread muffins, optional