Cool Fajitas Vegan Rezept Ideen. Place a lid on the container and shake the vegetables well so the marinade covers all slices. The best vegan fajitas with homemade seasoning feature portobello mushrooms, red onions & bell peppers.

In a small bowl, whisk together all of the fajita seasoning ingredients. When the vegetables have marinated and you are ready to cook, preheat the oven to 400 °f. Top with your favorites, and you’re in for a mouth watering meal!