Vegetarian Pumpkin Spinach Chili

1 (28 ounce) can diced tomatoes

1 (14 ounce) can 100% pure pumpkin

1 cup vegetable juice

1 cup chopped okra

1 cup chopped broccoli

1 carrot, peeled and chopped

1 small zucchini, diced

1 small onion, diced

2 tablespoons pumpkin pie spice

2 tablespoons white sugar

2 tablespoons white vinegar

1 teaspoon chili powder, or to taste

1 teaspoon salt

½ teaspoon ground black pepper

1 (12 ounce) package vegetarian ground beef crumbles

1 (19 ounce) can fava beans, drained

2 cups chopped spinach

Combine the tomatoes, pumpkin, vegetable juice, okra, broccoli, carrot, zucchini, onion, pumpkin pie spice, sugar, vinegar, chili powder, salt, and pepper in a slow cooker; cook on High until the vegetables are tender, 3 to 4 hours.

Stir the vegetarian ground beef crumbles, fava beans, and spinach into the tomato mixture; continue cooking until completely warmed, 20 to 30 minutes more.