• 5 1/2 2 cups diced onion
• 1 14-ounce can Black beans
• 1/2 cup Corn, frozen kernels
• 1 14-ounce can Kidney beans or additional black beans
• 1 1/2 tsp Oregano, dried
• 1 14-ounce can Pinto beans
• 9 cups Portobello or cremini mushrooms
• 2 tbsp Sun-dried tomatoes