Lentil Soup With Orzo with cayenne

1 cup dried lentils , sorted and rinsed 1 bunch swiss chard leaf , rinsed and roughly torn, touch stems removed 1 (16 ounce) can diced tomatoes 2 red[...]

sea salt , more to taste 1 1/2 tablespoons olive oil 1 large onion , chopped 2 cups chopped leeks , white and light green only 1 medium sweet potato , diced,[...]