Stashcook | Vegan Enchilada Casserole

Ingredients

• 1 medium yellow onion, chopped (about 2 cups)
• 1 medium red pepper, chopped
• 1 tablespoon finely chopped garlic (about 4 medium cloves)
• 2 teaspoons chili powder
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• 1 (15 ounce) can diced tomatoes, not drained (1½ cups)
• 1 (15 ounce) can black beans (1½ cups)
• 1 medium zucchini, sliced (about 2 cups)
• 1 cup canned corn (drained)
• 5 cups coarsely chopped greens (kale, collards, or Swiss chard)
• 6 (6 inch) corn tortillas, cut into 1-inch squares
• guacamole (optional) or diced avocado (optional)