Gumbo with collard

1 bunch mustard greens * 1 bunch collard greens * 1 bunch turnip greens * 1 bunch watercress * 1 bunch beet tops * 1 bunch carrot tops * 1 bunch spinach 1/2[...]

1 (10 ounce) package frozen chopped spinach 1 (10 ounce) package frozen chopped mustard greens 1 (10 ounce) package frozen chopped turnip greens 1 (10 ounce)[...]

1 1/3 cups olive oil 2 cups flour 2 cups chopped onions 2 cups chopped bell peppers 3/4 cup chopped celery 3/4 cup minced shallot 1/4 cup minced garlic 6 bay[...]

2 lbs mixed greens (such as collard greens, mustard greens, turnip greens, beet, carrot or radish tops, spinach, green c) 1/4 cup bacon fat or 1/4 cup corn[...]