Summer Squash Soup with sauce

1 lb yellow squash or 2 medium zucchini , sliced 2 cups water 2 tablespoons chicken bouillon cubes 2 medium onions , sliced 1/8 teaspoon hot sauce (optional)[...]

2 tablespoons extra virgin olive oil 2 large sweet onions , chopped 1 leek , chopped 6 cloves garlic , chopped 6 summer squash, trimmed and coarsely chopped[...]