Prepare the Veggies: Heat olive oil in a skillet over medium heat. Sauté onion and garlic for 2–3 minutes until fragrant. Add bell peppers, zucchini, and carrots. Cook for 5–7 minutes until slightly tender.Season the Filling: Add chili powder, paprika, cumin, salt, and black pepper. Mix well. Stir in corn and black beans and cook for 2–3 minutes until heated through.Warm the Tortillas: Heat tortillas on a skillet for 30–60 seconds per side or microwave briefly until soft and pliable.Assemble the Burrito: Place rice in the center of each tortilla. Add the vegetable and bean filling. Top with cheese, sour cream or yogurt, salsa, and fresh cilantro if using.Roll the Burrito: Fold the sides inward and roll tightly from bottom to top.Optional Toasting & Serve: Toast the rolled burritos on a hot skillet for 1–2 minutes per side until lightly golden. Serve with lime wedges and extra salsa.