Layered Black Bean and Rice Casserole

Ingredients

• 7 cups water
• 2 tablespoons ground cumin
• 1 tablespoon ground turmeric
• 4 cups U.S. long grain white rice
• 4 cups yellow onions, chopped
• 1 ½ tablespoons salt
• 6 (15-ounce) cans black beans, rinsed and drained
• 6 (4-ounce) cans mild green chilies, chopped
• 6 cups tomato, chopped
• ½ cup extra virgin olive oil
• 6 cups guacamole
• 6 limes, quartered