Step 3) Add onions, garlic, chili powder, cumin and bouillon powder and cook for 3 to 5 minutes or until onions soften. Stir in black beans, mexi-corn, butternut squash, tomatoes, water and ketchup. Bring to a boil; reduce heat to low and simmer for 10 minutes, or until squash is tender. To serve, ladle into bowls and top with desired garnishes.