- Boil chopped potatoes in salted water for 12–15 minutes until fork-tender. Drain and mash. Set aside.
- Heat oil in a skillet over medium heat. Sauté onion for 3 minutes, then add carrot, garlic, and spices. Cook 1 more minute.
- Add vegetable broth and peas. Cover and cook until carrots soften (2–3 minutes).
- Turn off heat. Stir in mashed potatoes and vegan cheese. Mix well and adjust seasoning.
- Preheat oven to 410°F (210°C). Line a baking sheet with parchment paper.
- Place 2–3 tablespoons filling on each tortilla. Roll tightly and place seam-side down on the sheet.
- Brush with oil and sprinkle taco seasoning if using. Bake for 17–20 minutes until golden and crispy. Optional: broil for 1–2 minutes for extra crisp.
- Serve warm with salsa, guacamole, or vegan sour cream.
Air Fryer Method: Preheat to 350°F (175°C), arrange taquitos in a single layer seam-side down, and air-fry for 6–8 minutes until golden.