slow-cooker veggie chili (rainbow chili)

Ingredients

• 8 ounces dry black beans, sorted and rinsed
• 8 ounces dry red beans, sorted and rinsed
• 8 ounces dry northern beans, sorted and rinsed
• 1 tablespoon olive oil
• 1 - large red onion, chopped
• 1 - leek, chopped (optional)
• 3 - green onions
• 4 - garlic cloves, minced
• 2 tablespoons chili powder (..more to taste!)
• 1 teaspoon cumin
• 2 teaspoons oregano, dried
• 1 - sm red bell pepper, chopped
• 1 - sm yellow/orange bell pepper (..or half of each for added color!)
• 1 - green bell pepper, chopped
• 1 1/2 cups frozen corn
• 28 ounces can crushed tomatoes
• 1 package (= 1 lb), tvp
• - water to cover, plus, two vegetarian vegetable bouillon cubes
• 3/4 teaspoon sea salt (..or to taste.)