Blackstone Mediterranean Veggie Tacos

Name: Blackstone Mediterranean Veggie Tacos
Prep time: 10 min
Cook time: 8 min
Total time: 18 min
Cuisine: American, Mediterranean
Ingredients: cooking oil of choice; 1 red bell pepper (sliced); 1/2 red onion (sliced); 8 ounces sliced mushrooms; 5 to 6 ounces fresh spinach leaves (roughly chopped); 4 to 5 cloves garlic (minced); kosher salt, pepper, crushed red pepper flakes; 1/2 tablespoon dried oregano; 4 to 6 mini naan flatbreads; 1 to 2 tablespoons lemon juice or balsamic vinegar; Optional toppings: hummus, feta cheese crumbles, basil