Cauliflower Fiesta Fajitas

Ingredients

• 3 tablespoons olive oil
• 2 green bell peppers, sliced
• 1 large head cauliflower, chopped into bite-sized florets
• 8 small flour tortillas
• 1 medium onion, halved and sliced
• 2 tablespoons store-bought fajita seasoning
• 2 red bell peppers, sliced