Step 1: Sauté Vegetables : Cook onions, bell peppers, zucchini, and garlic in olive oil until tender-crisp.
Step 2: Add Spices : Mix in chili powder, smoked paprika, cumin, cayenne pepper, salt, and black pepper. Cook until fragrant.
Step 3: Add Beans and Corn : Stir in black beans and corn, cook until heated through.
Step 4: Finish with Lime and Cilantro : Remove from heat and add fresh cilantro and lime juice.
Step 5: Warm Tortillas : Make tortillas pliable in a skillet or microwave.
Step 6: Assemble Burritos : Fill tortillas with veggie-bean mixture, cheese, avocado, and salsa. Roll tightly.