2 cups chopped onions
3 cloves garlic, chopped
2 1/2 cups chopped ( 1/2 inch pieces) butternut squash
4 1/2 cups cooked black beans or 3 (15 ounce) cans low-sodium or no-salt-added black beans, drained
2 tablespoons chili powder
2 teaspoons ground cumin
2 1/2 cups low-sodium or no-salt-added vegetable broth
1 1/2 cups no-salt-added diced tomatoes (see note)
1 bunch Swiss chard, tough stems removed, chopped or other greens